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Mineral Species sorted by the element Mg Magnesium

  • ️David Barthelmy
Magnesium (Mg) Element Properties
Atomic Mass 24.305
Atomic Number 12
Name Origins Greek, "Magnesia" a district in Thessaly.
Year Discovered 1755
Discovery Credits Recognized by Joseph Black at Edinburgh, Scotland. Isolated by Sir Humphry Davy in 1808.
Remarks Silvery white, lustrous, relatively soft metal. Obtained by electrolysis of fused MgCl2. Burns in air and reacts with hot water. Used as bulk metal and in lightweight alloys with magnesium for engines, also as a sacrificial electrode to protect other metals.

Diagnostic tests: 
Moistened, after heating, with cobalt nitrate (CoNO3)and again ignited, a pink color is obtained from some infusible compounds of magnesium. 
Infusible magnesium minerals glow with exaggerated incandescence in the flame test (along with Sr, Ca, Zr, Zn, Ce - the "lime light effect").
In solution, (NH4)2SO4 and (NH4)2C2O4 will remove Ca and Ba as a precipitate. Decant the solution and add NH4OH and Na2HPO4. A white precipitate (MgNH4PO4) shows the presence of magnesium.

References Emsley, J., 1991; THE ELEMENTS : Sec. Ed., Clarendon Press, Oxford, 251 p.
See Also WebElements, ChemiCool
Naturally Occurring Isotopes
Symbol Isotope Mass Isotope Nuclide Number Isotope Number Natural Abundance Half-life Half-life Units Decay Mode Decay Mode MeV Decay Mode %
Mg 23.985042 24 12 78.9900%   Stable      
Mg 24.985837 25 12 10.0000%   Stable      
Mg 25.982593 26 12 11.0100%   Stable      
 

Mineral Species sorted by the element Mg (Magnesium )

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%Mg Mineral Name Chemical Formula MW
60.30%Mg Periclase   MgO 40.30
41.68%Mg Brucite   Mg(OH)2 58.32
39.75%Mg Hydroxylborite  ! Mg3(BO3)(OH,F)3 185.25
39.33%Mg Fluoborite   Mg3(BO3)(F,OH)3 186.61
39.07%Mg IMA2008-060  ! Mg2(BO3)(OH) 124.43
39.01%Mg Sellaite   MgF2 62.30
38.29%Mg Wightmanite   Mg5(BO3)O(OH)5•2(H2O) 317.40
38.27%Mg Kotoite   Mg3B2O6 190.53
36.10%Mg Norbergite   Mg3(SiO4)(F,OH)2 202.00
35.20%Mg Hydroxylclinohumite  ! Mg9(SiO4)4(OH,F)2 621.49
35.11%Mg Pertsevite  ! Mg2(BO3)F 130.82
34.55%Mg Forsterite   Mg2SiO4 140.69
34.55%Mg Ringwoodite   Mg2SiO4 140.69
33.62%Mg Phosphoellenbergerite  ! Mg14(PO4)6(PO3OH,CO3)2(OH)6 961.64
33.38%Mg Raadeite  ! Mg7(PO4)2(OH)8 493.69
32.36%Mg Suanite   Mg2B2O5 150.23
32.06%Mg Pokrovskite   Mg2(CO3)(OH)2•0.5(H2O) 151.64
30.87%Mg Magnesiohulsite   (Mg,Fe++)2(Mg,Fe+++,Sn++++)O2(BO3) 188.93
30.59%Mg Holtedahlite   Mg12(PO3OH,CO3)(PO4)5(OH,O)6 953.53
30.27%Mg Hydroxylwagnerite  ! Mg2(PO4)(OH) 160.59
30.18%Mg Althausite   Mg2(PO4)(OH,F,O) 161.09
29.76%Mg Shabynite   Mg5(BO3)Cl2(OH)5•4(H2O) 408.34
28.83%Mg Magnesite   MgCO3 84.31
28.50%Mg Szaibelyite   MgBO2(OH) 84.44
28.30%Mg Coalingite   Mg10Fe+++2(CO3)(OH)24•2(H2O) 858.96
27.75%Mg Chestermanite   Mg2(Fe+++,Mg,Al,Sb+++++)BO3O2 192.66
27.74%Mg Farringtonite   Mg3(PO4)2 262.86
27.02%Mg Nepskoeite  ! Mg4Cl(OH)7•6(H2O) 359.82
26.98%Mg Azoproite   (Mg,Fe++)2(Fe+++,Ti,Mg)BO5 186.49
26.89%Mg Wagnerite   (Mg,Fe++)2(PO4)F 162.71
26.50%Mg Karlite  ! (Mg,Al)6(BO3)3(OH,Cl)4 412.74
26.31%Mg Chrysotile  ! Mg3Si2O5(OH)4 277.11
26.31%Mg Clinochrysotile  ? Mg3Si2O5(OH)4 277.11
26.31%Mg Lizardite   Mg3Si2O5(OH)4 277.11
26.31%Mg Orthochrysotile  ? Mg3Si2O5(OH)4 277.11
26.31%Mg Parachrysotile  ? Mg3Si2O5(OH)4 277.11
26.28%Mg Brugnatellite   Mg6Fe+++(CO3)(OH)13•4(H2O) 554.84
26.13%Mg Carlosturanite   (Mg,Fe++,Ti,Mn)21(Si,Al)12O28(OH)34 1,757.93
25.99%Mg Hydromagnesite   Mg5(CO3)4(OH)2•4(H2O) 467.64
25.53%Mg Chloromagnesite  * MgCl2 95.21
25.37%Mg Olivine  * (Mg,Fe)2SiO4 153.31
25.23%Mg Meixnerite   Mg6Al2(OH)18•4(H2O) 577.99
25.02%Mg Dypingite   Mg5(CO3)4(OH)2•5(H2O) 485.65
25.02%Mg Giorgiosite   Mg5(CO3)4(OH)2•5(H2O) 485.65
25.01%Mg Pinakiolite   Mg2Mn+++O2(BO3) 194.36
25.01%Mg Takeuchiite   Mg2Mn+++O2(BO3) 194.36
24.98%Mg Kovdorskite   Mg5(PO4)2(CO3)(OH)2•4.5(H2O) 486.56
24.95%Mg Fredrikssonite   Mg2(Mn+++,Fe+++)O2(BO3) 194.81
24.89%Mg Ludwigite   Mg2Fe+++BO5 195.26
24.72%Mg Artinite   Mg2(CO3)(OH)2•3(H2O) 196.68
24.64%Mg Iowaite   Mg4Fe+++(OH)8OCl•2-4(H2O) 394.62
24.21%Mg Clinoenstatite   Mg2Si2O6 200.78
24.21%Mg Enstatite   Mg2Si2O6 200.78
24.14%Mg Hydrotalcite   Mg6Al2(CO3)(OH)16•4(H2O) 603.98
24.14%Mg Manasseite   Mg6Al2(CO3)(OH)16•4(H2O) 603.98
23.85%Mg Chondrodite   (Mg,Fe++)5(SiO4)2(F,OH)2 382.12
23.69%Mg Humite   (Mg,Fe++)7(SiO4)3(F,OH)2 538.58
23.60%Mg Clinohumite   (Mg,Fe++)9(SiO4)4(F,OH)2 695.05
23.47%Mg Korshunovskite   Mg2Cl(OH)3•3.5-4(H2O) 207.15
23.31%Mg Neighborite   NaMgF3 104.29
23.30%Mg Wadsleyite   (Mg,Fe++)2SiO4 156.46
23.21%Mg Heneuite   CaMg5(PO4)3(CO3)(OH) 523.53
23.10%Mg Caminite   Mg7(SO4)5(OH)4•(H2O) 736.50
22.86%Mg Woodallite  ! Mg6Cr2(OH)16Cl2•4(H2O) 659.31
22.77%Mg Glagolevite  ! NaMg6[Si3AlO10](OH,O)8•H2O 592.47
22.60%Mg Chlorartinite  ! Mg2(CO3)Cl(OH)•3(H2O) 215.13
22.47%Mg Mcguinnessite   (Mg,Cu)2(CO3)(OH)2 162.25
22.30%Mg Barbertonite   Mg6Cr2(CO3)(OH)16•4(H2O) 654.01
22.30%Mg Stichtite   Mg6Cr2(CO3)(OH)16•4(H2O) 654.01
22.10%Mg Desautelsite   Mg6Mn+++2(CO3)(OH)16•4(H2O) 659.89
22.04%Mg Pyroaurite   Mg6Fe+++2(CO3)(OH)16•4(H2O) 661.71
22.04%Mg Sjogrenite   Mg6Fe+++2(CO3)(OH)16•4(H2O) 661.71
21.79%Mg Anthophyllite   []Mg7Si8O22(OH)2 780.82
21.79%Mg Cummingtonite   []Mg7Si8O22(OH)2 780.82
21.77%Mg Muskoxite   Mg7Fe+++4O13•10(H2O) 781.67
21.41%Mg Aluminomagnesiohulsite  ! Mg2(Al,Mg,Sn)(BO3)O2 195.24
21.34%Mg Sapphirine   (Mg,Al)8(Al,Si)6O20 683.33
21.17%Mg Nanlingite   CaMg4(AsO3)2F4 459.13
21.17%Mg Niningerite   (Mg,Fe++,Mn)S 68.90
21.17%Mg Sodicanthophyllite   NaMg7Si8O22(OH)2 803.81
20.65%Mg Huntite   CaMg3(CO3)4 353.03
20.63%Mg Kulkeite   Na0.35Mg8AlSi7O20(OH)10 942.67
20.44%Mg Sergeevite   Ca2Mg11(CO3)9(HCO3)4(OH)4•6(H2O) 1,307.78
20.39%Mg Dozyite   (Mg7Al2)(Si4Al2)O15(OH)12 834.48
20.22%Mg Geikielite   MgTiO3 120.18
20.20%Mg Barringtonite   MgCO3•2(H2O) 120.34
20.16%Mg Sulfoborite   Mg3B2(SO4)(OH)8(OH,F)2 361.67
20.08%Mg Chladniite   Na2Ca(Mg,Fe++)7(PO4)6 847.39
19.95%Mg Quintinite-2H   Mg4Al2(OH)12CO3•4(H2O) 487.34
19.95%Mg Quintinite-3T   Mg4Al2(OH)12CO3•4(H2O) 487.34
19.28%Mg Sinhalite   MgAlBO4 126.09
19.23%Mg Talc   Mg3Si4O10(OH)2 379.27
19.21%Mg Balangeroite   (Mg,Fe+++,Fe++,Mn++)42Si16O54(OH)40 3,377.84
19.13%Mg Protoanthophyllite  ! (Mg,Fe)7Si8O22(OH)2 801.60
18.80%Mg Canavesite   Mg2(CO3)(HBO3)•5(H2O) 258.51
18.60%Mg Boracite   Mg3B7O13Cl 392.03
18.34%Mg Mountkeithite   (Mg,Ni)11(Fe+++,Cr)3(SO4,CO3)3.5(OH)24•11(H2O) 1,426.01
18.32%Mg Chopinite  ! (Mg,Fe)3(PO4)2 291.81
18.18%Mg Antigorite   (Mg,Fe++)3Si2O5(OH)4 300.77
18.13%Mg Sodicgedrite   NaMg6AlSi6Al2O22(OH)2 804.28
18.09%Mg Pyrope   Mg3Al2(SiO4)3 403.13
18.04%Mg Bakhchisaraitsevite  ! Na2Mg5(PO4)4•7(H2O) 673.50
18.00%Mg Chlormagaluminite   (Mg,Fe++)4Al2(OH)12(Cl2,CO3)•2(H2O) 472.53
17.96%Mg Koenenite   Na4Mg4Cl12•Mg5Al4(OH)22 1,218.22
17.92%Mg Bobierrite   Mg3(PO4)2•8(H2O) 406.98
17.91%Mg Karchevskyite  ! [Mg18Al9(OH)54][Sr2(CO3,PO4)9(H2O,H3O)11] 2,507.53
17.82%Mg Spadaite   MgSiO2(OH)2•(H2O)(?) 136.42
17.82%Mg Wermlandite   (Ca,Mg)Mg7(Al,Fe+++)2(SO4)2(OH)18•12(H2O) 989.11
17.57%Mg Nesquehonite   Mg(HCO3)(OH)•2(H2O) 138.36
17.56%Mg Kieserite   MgSO4•(H2O) 138.38
17.56%Mg Qandilite   (Mg,Fe++)2(Ti,Fe+++,Al)O4 179.98
17.44%Mg Amesite   Mg2Al(SiAl)O5(OH)4 278.68
17.39%Mg Phlogopite   KMg3(Si3Al)O10(F,OH)2 419.25
17.12%Mg Hectorite   Na0,3(Mg,Li)3Si4O10(OH)2 383.25
17.08%Mg Spinel   MgAl2O4 142.27
16.84%Mg Akimotoite  ! (Mg,Fe)SiO3 108.27
16.83%Mg Fluorophlogopite  ! KMg3(AlSi3)O10F2 415.82
16.65%Mg Majorite   Mg3(Fe,Al,Si)2(SiO4)3 437.99
16.64%Mg Khmaralite  ! (Mg,Al,Fe)16(Al,Si,Be)12O40 1,401.96
16.61%Mg Pyrocoproite  * (Mg(K,Na))2P2O7 292.70
16.56%Mg Garyansellite   (Mg,Fe+++)3(PO4)2(OH,O)•1,5(H2O) 330.29
16.50%Mg Warwickite   Mg(Ti,Fe+++,Al)(BO3)O 147.29
16.47%Mg Orthopinakiolite   (Mg,Mn++)2Mn+++BO5 209.58
16.38%Mg Glushinskite   Mg(C2O4)•2(H2O) 148.36
16.34%Mg Tetraferriphlogopite  ! KMg3Fe+++Si3O10(OH)2 446.13
16.09%Mg Knorringite   Mg3Cr2(SiO4)3 453.16
15.92%Mg Mooreite   (Mg,Zn,Mn)15(SO4)2(OH)26•8(H2O) 1,373.85
15.84%Mg Sepiolite   Mg4Si6O15(OH)2•6(H2O) 613.82
15.65%Mg Dittmarite   (NH4)Mg(PO4)•(H2O) 155.33
15.57%Mg Pseudosinhalite  ! Mg2Al3B2O9(OH) 312.18
15.54%Mg Magniotriplite  ? (Mg,Fe++,Mn)2(PO4)F 187.63
15.54%Mg Sanderite   MgSO4•2(H2O) 156.40
15.53%Mg Monticellite   CaMgSiO4 156.47
15.52%Mg Rimkorolgite  ! Mg5Ba(PO4)4•8(H2O) 782.86
15.50%Mg Gedrite   []Mg5Al2Si6Al2O22(OH)2 783.97
15.49%Mg Serendibite   Ca2(Mg,Al)6(Si,Al,B)6O20 706.15
15.36%Mg Motukoreaite   Na2Mg38Al24(CO3)13(SO4)8(OH)108•56(H2O) 6,011.40
15.31%Mg Clinochlore   (Mg,Fe++)5Al(Si3Al)O10(OH)8 595.22
15.30%Mg Luneburgite   Mg3B2(PO4)2(OH)6•5(H2O) 476.60
15.26%Mg Magnesiocummingtonite   (Mg,Fe++)7Si8O22(OH)2 836.02
14.96%Mg Tremolite   []Ca2Mg5Si8O22(OH)2 812.37
14.93%Mg Chesterite   (Mg,Fe++)17Si20O54(OH)6 2,074.96
14.93%Mg Pigeonite   (Mg,Fe++,Ca)(Mg,Fe++)Si2O6 219.70
14.82%Mg Pinnoite   MgB2O4•3(H2O) 163.97
14.78%Mg Fluororichterite  ! Na(CaNa)Mg5[Si8O22]F2 822.25
14.73%Mg Hornesite   Mg3(AsO4)2•8(H2O) 494.88
14.71%Mg Clinojimthompsonite   (Mg,Fe++)5Si6O16(OH)2 619.47
14.71%Mg Jimthompsonite   (Mg,Fe++)5Si6O16(OH)2 619.47
14.60%Mg Potassicrichterite  ! (K,Na)(CaNa)2Mg5[Si8O22](OH,F)2 832.34
14.57%Mg Edenite   NaCa2Mg5Si7AlO22(OH)2 834.25
14.57%Mg Potassic-fluororichterite  ! (K,Na)(CaNa)Mg5[Si8O22]F2 834.33
14.51%Mg Thadeuite   (Ca,Mn++)(Mg,Fe++,Mn+++)3(PO4)2(OH,F)2 368.49
14.44%Mg Stevensite   (Ca0.5,Na)0.33(Mg,Fe++)3Si4O10(OH)2•n(H2O) 471.23
14.43%Mg Parvowinchite   Na(NaMn++)(Mg4Fe+++)Si8O22(OH)2 842.09
14.27%Mg Gerstmannite   (Mg,Mn)2ZnSiO4(OH)2 255.41
14.09%Mg Dashkovaite  ! Mg(HCOO)2•2(H2O) 172.49
14.04%Mg Stornesite-(Y)  ! (Y,Ca)[]2Na6(Ca,Na)8(Mg,Fe)43(PO4)36 5,318.15
14.02%Mg Biotite  * K(Mg,Fe++)3[AlSi3O10(OH,F)2 433.53
13.94%Mg Newberyite   Mg(PO3OH)•3(H2O) 174.33
13.94%Mg Lansfordite   MgCO3•5(H2O) 174.39
13.74%Mg Yuanfuliite   (Mg,Fe++)(Fe+++,Al,Mg,Ti,Fe++)(BO3)O 150.33
13.74%Mg Panasqueiraite   CaMg(PO4)(OH,F) 176.86
13.65%Mg Fluoro-edenite  ! NaCa2Mg5Si7AlO22(F,OH)2 837.03
13.63%Mg Isokite   CaMg(PO4)F 178.35
13.58%Mg Donpeacorite   (Mn,Mg)MgSi2O6 223.75
13.54%Mg Parvo-manganotremolite  ! [](CaMn)2Mg5(Si7Al)O22(OH)2 841.85
13.43%Mg Aspidolite   NaMg3AlSi3O10(OH)2 410.89
13.31%Mg Tegengrenite  ! (Mg,Mn++)2Sb+++++0.5(Mn+++,Si,Ti)0.5O4 219.12
13.25%Mg Wonesite   (Na,K).5(Mg,Fe,Al)3(Si,Al)4O10(OH,F)2 403.47
13.21%Mg Krinovite   NaMg2CrSi3O10 367.85
13.18%Mg Dolomite   CaMg(CO3)2 184.40
13.17%Mg Magnesiotaaffeite-2N2S   Mg3Al8BeO16 553.77
13.16%Mg Trembathite   (Mg,Fe++)3B7O13Cl 415.69
13.04%Mg Efremovite   (NH4)2Mg2(SO4)3 372.88
13.00%Mg Callaghanite   Cu2Mg2(CO3)(OH)6•2(H2O) 373.79
12.87%Mg Parvo-mangano-edenite  ! Na(CaMn)2Mg5(Si7Al)O22(OH)2 851.64
12.86%Mg Clintonite   Ca(Mg,Al)3(Al3Si)O10(OH)2 415.81
12.78%Mg Magnesiocoulsonite   MgV+++2O4 190.19
12.77%Mg Eitelite   Na2Mg(CO3)2 190.30
12.77%Mg Tochilinite   6Fe0.9S•5(Mg,Fe++)(OH)2 904.38
12.70%Mg Baricite   (Mg,Fe++)3(PO4)2•8(H2O) 430.64
12.64%Mg Magnesiochromite   MgCr2O4 192.29
12.63%Mg Starkeyite   MgSO4•4(H2O) 192.43
12.53%Mg Winchite   [](CaNa)Mg4(Al,Fe3+)Si8O22(OH)2 828.18
12.47%Mg Preobrazhenskite   Mg3B11O15(OH)9 584.88
12.41%Mg Guanacoite  ! (Cu,Mg)2Mg2(Mg,Cu)(OH)4(H2O)4(AsO4)2 612.83
12.29%Mg Haapalaite   2(Fe,Ni)S•1.6(Mg,Fe++)(OH)2 276.87
12.25%Mg Uklonskovite   NaMg(SO4)F•2(H2O) 198.39
12.17%Mg Ellenbergerite   Mg6TiAl6Si8O28(OH)10 1,198.34
12.15%Mg Magnesioferrite   MgFe+++2O4 200.00
12.09%Mg Eckermannite   NaNa2(Mg4Al)Si8O22(OH)2 803.86
12.07%Mg Preiswerkite   NaMg2Al3Si2O10(OH)2 402.72
12.03%Mg Fluoro-magnesio-arfvedsonite  ! NaNa2(Mg,Fe++)4Fe+++[Si8O22](F,OH)2 828.15
12.03%Mg Hydrobiotite   [K(Mg,Fe)3(Al,Fe)Si3O10(OH,F)2]•[(Mg,Fe++,Al)3(Si,Al)4O10(OH)2•4(H2O)] 464.62
12.00%Mg Tainiolite   KLiMg2Si4O10F2 404.98
11.96%Mg Bischofite   MgCl2•6(H2O) 203.30
11.88%Mg Yushkinite   V1-xS•n(Mg,Al)(OH)2 87.39
11.86%Mg Magnesiokatophorite   Na(CaNa)Mg4AlSi7AlO22(OH)2 819.84
11.84%Mg Gottlobite  ! CaMg(VO4,AsO4)(OH) 205.20
11.84%Mg Magnesiohornblende   Ca2[Mg4(Al,Fe+++)]Si7AlO22(OH)2 821.16
11.74%Mg Magnesiochlorophoenicite   (Mg,Mn)3Zn2(AsO4)(OH,O)6 465.62
11.71%Mg Langbeinite   K2Mg2(SO4)3 415.00
11.67%Mg Magnesio-arfvedsonite   NaNa2(Mg4Fe++)Si8O22(OH)2 832.72
11.61%Mg Girvasite   NaCa2Mg3(PO4)2[PO2(OH)2](CO3)(OH)2•4(H2O) 628.07
11.61%Mg Eastonite  ! KMg2Al[Al2Si2O10](OH)2 418.83
11.56%Mg Sobotkite  ? (K,Ca0.5)0.33(Mg,Al)3(Si3Al)O10(OH)2•1-5(H2O) 441.54
11.55%Mg Pentahydrite   MgSO4•5(H2O) 210.45
11.55%Mg Shirokshinite  ! K(NaMg2)Si4O10F2 421.03
11.52%Mg Kornerupine   (Mg,Fe++)4Al6(SiO4,BO4)5(O,OH)2 734.04
11.46%Mg Manganocummingtonite   Na(Na,Mn)2(Mg4,Fe+++)5Si8O22(OH)2 848.70
11.45%Mg Hannayite   (NH4)2Mg3H4(PO4)4•8(H2O) 637.03
11.41%Mg Cannilloite  ! CaCa2Mg4Al(Si5Al3)O22(OH)2 851.81
11.39%Mg Saponite   (Ca/2,Na)0,3(Mg,Fe++)3(Si,Al)4O10(OH)2•4(H2O) 480.19
11.37%Mg Torreyite   (Mg,Mn)9Zn4(SO4)2(OH)22•8(H2O) 1,282.62
11.36%Mg Fluorocannilloite  ! CaCa2(Mg4Al)Si5Al3O22F2 855.79
11.31%Mg Fluoro-magnesiohastingsite  ! (Na,K)Ca2(Mg,Fe+++,Ti)5(Si,Al)8O22F2 866.18
11.24%Mg Magnesiohastingsite   NaCa2(Mg4Fe+++)Si6Al2O22(OH)2 864.69
11.22%Mg Diopside   CaMgSi2O6 216.55
11.14%Mg Kaersutite   NaCa2(Mg4Ti)Si6Al2O23(OH)2 872.72
11.11%Mg Magnesioanthophyllite  ? (Mg,Fe++)7Si8O22(OH)2 875.45
11.03%Mg Adelite   CaMg(AsO4)(OH) 220.31
11.03%Mg Magnesiochloritoid   MgAl2SiO5(OH)2 220.37
10.95%Mg Hauckite   (Mg,Mn++)24Zn18Fe+++3(SO4)4(CO3)2(OH)81(?) 3,993.55
10.93%Mg Tilasite   CaMg(AsO4)F 222.30
10.91%Mg Welshite   Ca4Mg9Sb3O4[Si6Be3AlFe2O36] 1,746.53
10.82%Mg Halurgite   Mg2[B4O5(OH)4]2•(H2O) 449.16
10.76%Mg Cattiite  ! Mg3(PO4)2•22(H2O) 659.66
10.64%Mg Hexahydrite   MgSO4•6(H2O) 228.46
10.61%Mg Nickenichite   Na0,8Ca0,4(Mg,Fe+++,Al)3Cu0,4(AsO4)3 549.61
10.61%Mg Loughlinite   Na2Mg3Si6O16•8(H2O) 687.52
10.56%Mg Weberite   Na2MgAlF7 230.25
10.51%Mg Kinoshitalite   (Ba,K)(Mg,Mn,Al)3Si2Al2O10(OH)2 485.68
10.46%Mg Ferrosilite   (Fe++,Mg)2Si2O6 232.32
10.46%Mg Hypersthene  ? (Mg,Fe++)2Si2O6 232.32
10.43%Mg Hulsite   (Fe++,Mg)2(Fe+++,Sn)O2(BO3) 233.09
10.36%Mg Gonyerite   Mn++3[Mn++3Fe+++][(Si,Fe+++)4O10](OH,O)8 703.49
10.33%Mg Aliettite   [Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe++)2-3(Si,Al)4O10(OH)2•n(H2O) 823.18
10.31%Mg Magbasite   KBa(Al,Sc)(Mg,Fe++)6Si6O20F2 943.31
10.29%Mg Brassite   Mg(AsO3OH)•4(H2O) 236.29
9.99%Mg Hydroxyuvite  ! CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH) 973.16
9.97%Mg Prismatine  ! ([],Fe,Mg)(Mg,Al,Fe)5Al4Si2(Si,Al)2(B,Si,Al)(O,OH,F)22 755.83
9.93%Mg Nissonite   Cu2Mg2(PO4)2(OH)2•5(H2O) 489.74
9.92%Mg Schoenfliesite   MgSn++++(OH)6 245.06
9.90%Mg Struvite   (NH4)MgPO4•6(H2O) 245.41
9.90%Mg Corrensite   (Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10•n(H2O) 1,227.19
9.88%Mg Surinamite   (Mg,Fe++)3Al4BeSi3O16 553.76
9.86%Mg Phosphorrosslerite   Mg(PO3OH)•7(H2O) 246.39
9.86%Mg Epsomite   MgSO4•7(H2O) 246.48
9.79%Mg Bradleyite   Na3Mg(PO4)(CO3) 248.25
9.79%Mg Schaferite  ! NaCa2Mg2(VO4)3 496.57
9.77%Mg Northupite   Na3Mg(CO3)2Cl 248.75
9.76%Mg Kainite   MgSO4•KCl•3(H2O) 248.97
9.71%Mg Actinolite   Ca2(Mg,Fe++)5Si8O22(OH)2 853.16
9.70%Mg Holmquistite   [](Li2Mg3Al2)Si8O22(OH)2 751.45
9.69%Mg Magnesiotaaffeite-6N3S  ! (Mg,Fe++,Zn)2Al6BeO12 426.60
9.60%Mg Karpinskite   (Mg,Ni)2Si2O5(OH)2(?) 253.18
9.51%Mg Eifelite   KNa3Mg4Si12O30 1,022.30
9.48%Mg Nitromagnesite   Mg(NO3)2•6(H2O) 256.41
9.39%Mg Tachyhydrite   CaMg2Cl6•12(H2O) 517.59
9.32%Mg Jahnsite-(CaMgMg)  ! CaMgMg2Fe+++2(PO4)4(OH)2•8H2O 782.71
9.31%Mg Glaucophane   []Na2(Mg3Al2)Si8O22(OH)2 783.54
9.30%Mg Tychite   Na6Mg2(CO3)4(SO4) 522.65
9.26%Mg Augite   (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6 236.35
9.12%Mg Struvite-(K)  ! KMg(PO4)•6(H2O) 266.47
9.12%Mg Aluminobarroisite  ! []CaNaMg3Al2(Si7Al)O22(OH)2 799.53
9.08%Mg Fedorovskite   Ca2(Mg,Mn)2B4O7(OH)6 401.36
9.03%Mg Panethite   (Na,Ca,K)2(Mg,Fe++,Mn)2(PO4)2 323.06
8.94%Mg Blatterite   (Mn++,Mg)35Sb3(Mn+++,Fe+++)9(BO3)16O32 3,807.71
8.92%Mg Akermanite   Ca2MgSi2O7 272.63
8.86%Mg Palygorskite   (Mg,Al)2Si4O10(OH)•4(H2O) 411.35
8.84%Mg Magnesioferrikatophorite   Na2Ca(Mg,Fe++)4Fe+++Si7AlO22(OH)2 824.40
8.83%Mg Roedderite   (Na,K)2(Mg,Fe++)5Si12O30 1,031.99
8.82%Mg Dollaseite-(Ce)   CaCeMg2AlSi3O11(OH,F)2 551.04
8.80%Mg Barroisite   [](CaNa)Mg3AlFe+++Si7AlO22(OH)2 828.39
8.79%Mg Nyboite   NaNa2(Mg3Al2)Si7AlO22(OH)2 826.37
8.79%Mg Hazenite   KNaMg2(PO4)2•14H2O 552.85
8.79%Mg Fluoropargasite  ! NaCa2(Mg3Fe++Al)5(Si6Al2O22)F2 879.14
8.78%Mg Simferite   Li(Mg,Fe+++,Mn+++)2(PO4)2 276.67
8.77%Mg Armalcolite   (Mg,Fe++)Ti2O5 207.95
8.75%Mg Carnallite   KMgCl3•6(H2O) 277.85
8.69%Mg Johillerite   Na(Mg,Zn)3Cu(AsO4)3 610.00
8.69%Mg Inderite   MgB3O3(OH)5•5(H2O) 279.85
8.69%Mg Kurnakovite   MgB3O3(OH)5•5(H2O) 279.85
8.68%Mg Valleriite   4(Fe,Cu)S•3(Mg,Al)(OH)2 475.92
8.68%Mg Vermiculite   (Mg,Fe++,Al)3(Al,Si)4O10(OH)2•4(H2O) 504.19
8.66%Mg Loweite   Na12Mg7(SO4)13•15(H2O) 1,965.07
8.65%Mg Ferriwinchite   ([],Na)(Na,Ca)2(Mg,Fe++)4Fe+++[Si8O22](OH)2 845.75
8.64%Mg Tschermakite   []Ca2(Mg3AlFe+++)Si6Al2O22(OH)2 844.38
8.63%Mg Norsethite   BaMg(CO3)2 281.65
8.61%Mg Magnesiogedrite  ? (Mg,Fe++)5Al2Si6Al2O22(OH)2 847.05
8.58%Mg Magnesiotaramite   Na(CaNa)Mg3ALFe+++[Si6Al2O22](OH)2 850.28
8.53%Mg Obertiite  ! NaNa2(Mg3Fe+++Ti)Si8O22(O,F,OH)2 855.28
8.45%Mg Sudoite   Mg2(Al,Fe+++)3Si3AlO10(OH)8 546.77
8.41%Mg Pargasite   NaCa2(Mg,Fe++)4Al(Si6Al2)O22(OH)2 867.37
8.37%Mg Rosslerite   Mg(AsO3OH)•7(H2O) 290.34
8.33%Mg Souzalite   (Mg,Fe++)3(Al,Fe+++)4(PO4)4(OH)6•2(H2O) 729.00
8.31%Mg Cordierite   Mg2Al4Si5O18 584.95
8.31%Mg Indialite   Mg2Al4Si5O18 584.95
8.29%Mg Ferri-magnesiotaramite  ! NaCaNaMg3Fe+++2[Si6Al2O22](OH)2 879.14
8.27%Mg Richterite   Na(CaNa)(Mg,Fe++)5[Si8O22](OH)2 881.35
8.25%Mg Baylissite   K2Mg(CO3)2•4(H2O) 294.58
8.19%Mg Magnesiohogbomite-6N6S   (Mg,Fe++)1.4Ti0.3Al4O8 296.93
8.18%Mg Kurchatovite   Ca(Mg,Mn,Fe++)B2O5 178.34
8.17%Mg Clinokurchatovite   Ca(Mg,Fe++,Mn)B2O5 178.53
8.14%Mg Magnesiocarpholite   MgAl2Si2O6(OH)4 298.46
8.12%Mg Magnesiosadanagaite  ! NaCa2[Mg3(Al,Fe+++)2]Si5AlO22(OH)2 869.29
8.09%Mg Brianite   Na2CaMg(PO4)2 300.31
8.04%Mg Lazulite   MgAl2(PO4)2(OH)2 302.23
8.04%Mg Potassicpargasite  ! (K,Na)Ca2(Mg,Fe++)5Si8O22(OH,F)2 906.89
7.93%Mg Yagiite   (Na,K)3Mg4(Al,Mg)6(Si,Al)24O60 1,991.71
7.89%Mg Johnsomervilleite   Na2Ca(Mg,Fe++,Mn)7(PO4)6 955.37
7.86%Mg Arakiite  ! (Zn,Mn++)(Mn++,Mg)12(Fe+++,Al)2(AsO3)(AsO4)2(OH)23 1,452.97
7.83%Mg Camgasite   CaMg(AsO4)(OH)•5(H2O) 310.39
7.80%Mg Aldzhanite  * CaMgB2O4Cl•7(H2O)(?) 311.56
7.78%Mg Stanfieldite   Ca4(Mg,Fe++,Mn)5(PO4)6 906.55
7.74%Mg Gageite   (Mn,Mg,Zn)42Si16O54(OH)40 3,958.95
7.74%Mg Gageite-2M   (Mn,Mg,Zn)42Si16O54(OH)40 3,958.95
7.70%Mg Cianciulliite   Mn++++(Mg,Mn++)2Zn2(OH)10•2-4(H2O) 473.76
7.67%Mg Filipstadite   (Mn++,Mg)4Sb+++++Fe+++O8 475.43
7.63%Mg Griffithite  * 4(Mg,Fe,Ca)O.(Al,Fe)2O3.5SiO2•7(H2O) 764.30
7.63%Mg Meridianiite  ! MgSO4•11H2O 318.54
7.61%Mg Dravite  ! NaMg3Al6(BO3)3Si6O18(OH)4 958.75
7.51%Mg Indigirite   Mg2Al2(CO3)4(OH)2•15(H2O) 646.85
7.51%Mg Kellyite   (Mn++,Mg,Al)3(Si,Al)2O5(OH)4 323.85
7.49%Mg Schertelite   (NH4)2MgH2(PO4)2•4(H2O) 324.40
7.46%Mg Rhonite   Ca2(Mg,Fe++,Fe+++,Ti)6(Si,Al)6O20 814.43
7.44%Mg Chlorophoenicite   (Mn,Mg)3Zn2(AsO4)(OH,O)6 980.21
7.41%Mg Yoderite   Mg2(Al,Fe+++)6Si4O18(OH)2 656.30
7.40%Mg Sakhaite   Ca3Mg(BO3)2(CO3)•0.36(H2O) 328.65
7.39%Mg Merwinite   Ca3Mg(SiO4)2 328.71
7.29%Mg Fluoronyboite  ! NaNa2(Al2Mg3)(Si7Al)O22(F,OH)2 850.22
7.29%Mg Penikisite   BaMg2Al2(PO4)3(OH)3 583.72
7.27%Mg Blodite   Na2Mg(SO4)2•4(H2O) 334.47
7.16%Mg Aksaite   MgB6O7(OH)6•2(H2O) 339.24
7.11%Mg Hungchaoite   MgB4O5(OH)4•7(H2O) 341.68
7.01%Mg Chayesite   K(Mg,Fe++)4Fe+++(Si12O30) 1,040.72
7.00%Mg Chelkarite   CaMgB2O4Cl2•7(H2O)(?) 347.01
6.99%Mg Molybdophyllite   Pb9Mg9Si9O24(OH)24 3,128.48
6.98%Mg Zanazziite   Ca2(Mg,Fe++)(Mg,Fe++,Al,Mn,Fe+++)4Be4(PO4)6(OH)4•6(H2O) 1,044.11
6.98%Mg Dickthomssenite  ! Mg(V+++++2O6)•7(H2O) 348.29
6.95%Mg Lawsonbauerite   (Mn,Mg)9Zn4(SO4)2(OH)22•8(H2O) 1,398.82
6.90%Mg Omphacite   (Ca,Na)(Mg,Fe++,Al)Si2O6 211.37
6.90%Mg Konyaite   Na2Mg(SO4)2•5(H2O) 352.49
6.89%Mg Arnhemite  * (K,Na)2Mg2(P2O7)•5(H2O) 620.94
6.88%Mg Chudobaite   (Mg,Zn)5(AsO3OH)2(AsO4)2•10(H2O) 953.87
6.78%Mg Kaliborite   KHMg2B12O16(OH)10•4(H2O) 716.56
6.78%Mg Friedrichbeckeite  ! K([],Na)Mg2(Be2Mg)Si12O30 982.67
6.77%Mg Balipholite   BaMg2LiAl3Si4O12(OH,F)8 718.20
6.76%Mg Mcgovernite   Mn9Mg4Zn2As2Si2O17(OH)14 1,438.55
6.75%Mg Potassic-magnesiosadanagaite   (K,Na)Ca2(Mg,Fe++,Al,Ti)5[(Si,Al)8O22](OH)2 900.44
6.75%Mg Gaspeite   (Ni,Mg,Fe++)CO3 108.10
6.74%Mg Boussingaultite   (NH4)2Mg(SO4)2•6(H2O) 360.60
6.72%Mg Gladiusite  ! Fe++2(Fe+++,Mg)4(PO4)(OH)13•H2O 579.01
6.71%Mg Rorisite   (Ca,Mg)FCl 90.59
6.70%Mg Alumino-magnesiotaramite  ! Na(CaNa)(Mg3Al2)(Si6Al2)O22(OH)2 870.46
6.68%Mg Ribbeite   (Mn++,Mg)5(SiO4)2(OH)2 454.58
6.68%Mg Bystromite   MgSb2O6 363.80
6.66%Mg Hibbingite   (Fe,Mg)2(OH)3Cl 182.40
6.63%Mg Manganhumite   (Mn,Mg)7(SiO4)3(OH)2 641.22
6.63%Mg Leonite   K2Mg(SO4)2•4(H2O) 366.69
6.62%Mg Harkerite   Ca24Mg8Al2(SiO4)8(BO3)6(CO3)10•2(H2O) 2,935.91
6.60%Mg Oxykinoshitalite  ! (Ba,K)(Mg,Fe++,Ti)3(Si,Al)4O10O2 507.95
6.59%Mg Tassieite  ! (Na,[])Ca2(Mg,Fe++,Fe+++)2(Fe+++,Mg)2(Fe++,Mg)2(PO4)6(H2O)2 955.32
6.56%Mg Overite   CaMgAl(PO4)2(OH)•4(H2O) 370.38
6.54%Mg Chromdravite  ! NaMg3(Cr,Fe+++)6(BO3)3Si6O18(OH)4 1,114.61
6.48%Mg Admontite   MgB6O10•7(H2O) 375.27
6.44%Mg IMA2008-046  ! MgZr(PO4)2•4H2O 377.53
6.43%Mg Whiteite-(CaMnMg)   CaMn++Mg2Al2(PO4)4(OH)2•8(H2O) 755.61
6.43%Mg Whiteite-(CaFeMg)   Ca(Fe++,Mn++)Mg2Al2(PO4)4(OH)2•8(H2O) 756.29
6.33%Mg Whiteite-(MnFeMg)   (Mn++,Ca)(Fe++,Mn++)Mg2Al2(PO4)4(OH)2•8(H2O) 767.44
6.32%Mg Mcallisterite   Mg2B12O14(OH)12•9(H2O) 768.55
6.32%Mg Ralstonite   NaxMgxAl2-x(F,OH)6•(H2O) 192.14
6.32%Mg Liebenbergite   (Ni,Mg)2SiO4 192.27
6.26%Mg Feruvite  ! (Ca,Na)(Fe,Mg,Ti)3(Al,Mg,Fe)6(BO3)3Si6O18(OH)4 1,047.92
6.26%Mg Jahnsite-(NaFeMg)  ! NaFe+++Mg2Fe+++2(PO4)4(OH)2•8H2O 780.46
6.26%Mg Juonniite  ! CaMgSc(PO4)2(OH)•4(H2O) 388.35
6.24%Mg Juanite   Ca10Mg4Al2Si11O39•4(H2O)(?) 1,556.94
6.21%Mg Magnesioclinoholmquistite  ? Li2(Mg,Fe++)3Al2Si8O22(OH)2 782.99
6.21%Mg Magnesioholmquistite   Li2(Mg,Fe++)3Al2Si8O22(OH)2 782.99
6.20%Mg Berzeliite   (Ca,Na)3(Mg,Mn)2(AsO4)3 588.10
6.19%Mg Nimite   (Ni,Mg,Fe++)5Al(Si3Al)O10(OH)8 666.98
6.18%Mg Arrojadite-(BaFe)  ! (Ba,K,Pb)Na3(Ca,Sr)(Fe++,Mg,Mn)14Al(PO4)11(PO3OH)(OH,F)2 2,242.07
6.16%Mg Grandidierite   (Mg,Fe++)Al3(BO4)(SiO4)O 296.03
6.13%Mg IMA2009-012   NaNa2(Mg2Al2Li)Si8O22F2 793.15
6.13%Mg Arhbarite   Cu2Mg(AsO4)(OH)3 349.16
6.11%Mg Crossite  ? Na2(Mg,Fe++)3(Al,Fe+++)2Si8O22(OH)2 795.32
6.11%Mg Widgiemoolthalite   (Ni,Mg)5(CO3)4(OH)2•4-5(H2O) 596.99
6.10%Mg Jahnsite-(NaMnMg)  ! NaMnMg2Fe+++2(PO4)4(OH)2•8H2O 796.25
6.09%Mg Segelerite   CaMgFe+++(PO4)2(OH)•4(H2O) 399.24
6.04%Mg Haydeeite  ! Cu3Mg(OH)6Cl2 382.25
6.04%Mg Picromerite   K2Mg(SO4)2•6(H2O) 402.72
6.01%Mg Spodiophyllite  ? (Na,K)4(Mg,Fe++)3(Fe+++,Al)2(Si8O24) 910.57
5.98%Mg Jahnsite-(CaMnMg)   CaMnMg2Fe+++2(PO4)4(OH)2•8(H2O) 813.34
5.92%Mg Kaluginite  * (Mn++,Ca)MgFe+++(PO4)2(OH)•4(H2O) 410.39
5.91%Mg Bayleyite   Mg2(UO2)(CO3)3•18(H2O) 822.94
5.90%Mg Clinoholmquistite  ? [](Li2Mg3Al2)Si8O22(OH)2 794.83
5.88%Mg Hydroboracite   CaMgB6O8(OH)6•3(H2O) 413.33
5.88%Mg Trattnerite  ! (Fe,Mg)2(Mg,Fe)3(Si12O30) 1,017.34
5.85%Mg Botryogen   MgFe+++(SO4)2(OH)•7(H2O) 415.39
5.85%Mg Satterlyite   (Fe++,Mg)2(PO4)(OH) 207.90
5.84%Mg Fluoro-alumino-magnesiotaramite  ! Na(CaNa)(Mg3Al2)(Si6Al2)O22F2 882.71
5.82%Mg Amakinite   (Fe++,Mg)(OH)2 83.46
5.82%Mg Joesmithite   PbCa2(Mg,Fe++,Fe+++)5Si6Be2O22(OH)2 1,043.42
5.81%Mg Talmessite   Ca2Mg(AsO4)2•2(H2O) 418.33
5.80%Mg Fuenzalidaite   K6(Na,K)4Na6Mg10(SO4)12(IO3)12•12(H2O) 4,191.42
5.80%Mg Qingheiite   Na2(Mn++,Mg,Fe++)(Al,Fe+++)(PO4)3 461.08
5.76%Mg Chromceladonite  ! KCrMg(Si4O10)(OH)2 421.75
5.74%Mg Leakeite   NaNa2(Mg2Fe+++2Li)Si8O22(OH)2 846.90
5.69%Mg Fluoro-sodic-pedrizite  ! NaLi2(Mg2Al2Li)S5Si8O22F2 777.04
5.66%Mg Odinite   (Fe+++,Mg,Al,Fe++,Ti,Mn)2.5(Si,Al)2O5(OH)4 300.61
5.64%Mg Aldermanite   Mg5Al12(PO4)8(OH)22•32(H2O) 2,155.72
5.64%Mg Uvite  ! (Ca,Na)(Mg,Fe++)3Al5Mg(BO3)3Si6O18(OH,F)4 970.23
5.49%Mg Potassic-magnesiohastingsite  ! (K,Na)Ca2(Mg,Fe++,Fe+++,Al)5(Si,Al)8O22(OH,Cl)2 925.11
5.49%Mg Chamosite   (Fe++,Mg,Fe+++)5Al(Si3Al)O10(OH,O)8 664.18
5.49%Mg Orthochamosite  ! (Fe++,Mg,Fe+++)5Al(Si3Al)O10(OH,O)8 664.18
5.49%Mg Potassic-chloropargasite  ! (K,Na)Ca2(Mg,Fe2+)4Al(Si6Al2O22)(Cl,OH)2 930.36
5.48%Mg Carlosruizite   K6(Na,K)4Na6Mg10(Se++++++O4)12(IO3)12•12(H2O) 4,438.69
5.46%Mg Mantienneite   KMg2Al2Ti(PO4)4(OH)3•15(H2O) 890.69
5.46%Mg Ludlamite   (Fe++,Mg,Mn)3(PO4)2•4(H2O) 400.88
5.45%Mg Gordonite   MgAl2(PO4)2(OH)2•8(H2O) 446.35
5.44%Mg Dorrite   Ca2Mg2Fe+++4(Al,Fe+++)4Si2O20 893.97
5.43%Mg Rinmanite  ! (Zn,Mn)2Sb2Mg2Fe4O14(OH)2 894.42
5.39%Mg Collinsite   Ca2(Mg,Fe++)(PO4)2•2(H2O) 338.32
5.37%Mg Iddingsite  ? MgO.Fe2O3.3SiO2•4(H2O) 452.31
5.37%Mg Alpersite  ! (Mg,Cu)SO4•7H2O 262.74
5.35%Mg Magnesioriebeckite   []Na2[(Mg,Fe++)3Fe+++2]Si8O22(OH)2 876.08
5.35%Mg Carboborite   Ca2Mg(CO3)2B2(OH)8•4(H2O) 454.22
5.33%Mg Aegirine-augite  * (Ca,Na)(Mg,Fe++,Fe+++)[Si2O6] 228.05
5.24%Mg Sodic-ferripedrizite  ! Na(LiNa)(Fe+++2Mg2Li)Si8O22(OH,F)2 811.31
5.19%Mg Tatarskite   Ca6Mg2(SO4)2(CO3)2Cl4(OH)4•7(H2O) 937.17
5.16%Mg Pumpellyite-(Mg)   Ca2MgAl2(SiO4)(Si2O7)(OH)2•(H2O) 470.70
5.15%Mg Columbite-(Mg)   (Mg,Fe++,Mn)(Nb,Ta)2O6 330.49
5.14%Mg Atencioite  ! Ca2Fe++[]Mg2Fe++2Be4(PO4)6(OH)4•6H2O 1,060.05
5.13%Mg Fluoro-potassichastingsite  ! KCa2(Fe++2,Mg2,Fe+++)S5(Si6Al2)8O22F2 947.86
5.12%Mg Dellaventuraite  ! NaNa2(Mg2,Mn+++,Li,Ti)Si8O22O2 859.87
5.05%Mg Leisingite  ! Cu(Mg,Cu,Fe,Zn)2Te++++++O6•6(H2O) 481.14
5.04%Mg Vanadiumdravite  ! NaMg3V6(Si6O18)(BO3)3(OH)4 1,109.10
4.99%Mg Tosudite   Na0,5(Al,Mg)6(Si,Al)8O18(OH)12•5(H2O) 973.76
4.97%Mg Hematolite   (Mn,Mg,Al)15(AsO3)(AsO4)2(OH)23 1,468.19
4.93%Mg Kanoite   (Mn++,Mg)2Si2O6 246.73
4.92%Mg Zhemchuzhnikovite   NaMg(Al,Fe+++)(C2O4)3•8(H2O) 494.00
4.91%Mg Rabbittite   Ca3Mg3(UO2)2(CO3)6(OH)4•18(H2O) 1,485.56
4.90%Mg Mongshanite  * (Mg,Cr,Fe++)2(Ti,Zr)5O12 595.20
4.90%Mg Clinoferrosilite   (Fe++,Mg)2Si2O6 248.09
4.87%Mg Maghagendorfite   NaMgMn(Fe++,Fe+++)2(PO4)3 498.84
4.84%Mg Angastonite  ! CaMgAl2(PO4)2(OH)4?7H2O 502.43
4.83%Mg Inderborite   CaMg[B3O3(OH)5]2•6(H2O) 503.40
4.82%Mg Ushkovite   MgFe+++2(PO4)2(OH)2•8(H2O) 504.08
4.80%Mg Boldyrevite  ? NaCaMgAl3F14•4(H2O) 506.36
4.79%Mg Magnesionigerite-2N1S   (Mg,Zn,Fe+++,Al)4(Sn,Fe+++)2Al10O22(OH)2 964.03
4.79%Mg Magnesionigerite-6N6S  ! (Mg,Zn,Fe+++,Al)4(Sn,Fe+++)2Al10O22(OH)2 964.03
4.78%Mg Britvinite  ! Pb7+xMg4.5[(Si,Al)5O14](BO3)(BO3,AsO4)(CO3)(OH,O)7(x<0.5) 4,587.29
4.78%Mg Congolite   (Fe++,Mg,Mn)3B7O13Cl 458.00
4.78%Mg Ericaite   (Fe++,Mg,Mn)3B7O13Cl 458.00
4.76%Mg Shirozulite  ! KMn3(AlSi3)O10(OH,F)2 480.43
4.75%Mg Hydrougrandite  ? (Ca,Mg,Fe++)3(Fe+++,Al)2(SiO4)3-x(OH)4x 460.23
4.75%Mg Keilite  ! (Fe,Mn,Mg,Ca,Cr)S 81.91
4.72%Mg Svyazhinite   MgAl(SO4)2F•14(H2O) 514.63
4.70%Mg Cabalzarite  ! Ca(Mg,Al,Fe++)2(AsO4)2(H2O,OH)2 413.71
4.70%Mg Magnesiostaurolite  ! []4Mg4Al16(Al,[])2Si8O40[O6,(OH)2] 1,562.60
4.69%Mg Fougerite  ! (Fe++,Mg)6Fe+++2(OH)18•4(H2O) 777.66
4.68%Mg Johninnesite   Na2Mg4Mn++12(AsO4)2(Si12O35)(OH)6 2,079.34
4.67%Mg Stepanovite   NaMgFe+++(C2O4)3•8-9(H2O) 520.33
4.62%Mg Ferrokinoshitalite  ! (Ba,K)(Fe++,Mg)3(Si2Al2)O10(OH,F)2 526.29
4.60%Mg Volkonskoite   Ca0.3(Cr+++,Mg,Fe+++)2(Si,Al)4O10(OH)2•4(H2O) 475.69
4.59%Mg Fluorarrojadite-(BaFe)  ! (Ba,K,Pb)Na3(Ca,Sr)(Fe++,Mg,Mn)14Al(PO4)11(PO3OH)(F,OH)2 2,116.63
4.57%Mg Sverigeite   NaMnMgSn++++Be2Si3O12(OH) 532.22
4.55%Mg Maghrebite  ! MgAl2(AsO4)2(OH)2•8H2O 534.24
4.53%Mg Celadonite   K(Mg,Fe++)(Fe+++,Al)[Si4O10](OH)2 429.02
4.51%Mg Axinite-(Mg)   Ca2MgAl2BO3Si4O12(OH) 538.57
4.51%Mg Aluminoceladonite  ! KAl(Mg,Fe++)[]Si4O10(OH)2 404.62
4.48%Mg Paralabuntsovite-Mg  ! Na8K8Mg8Ti16(Si4O12)8(O,OH)16•n(H2O) 4,336.11
4.46%Mg Dissakisite-(Ce)   Ca(Ce,REE)(Mg,Fe++)(Al,Fe+++)2Si3O12(OH) 599.36
4.45%Mg Borcarite   Ca4MgB4O6(OH)6(CO3)2 545.92
4.45%Mg Vanthoffite   Na6Mg(SO4)4 546.50
4.44%Mg Potassicleakeite  ! KNa2Mg2Fe+++2LiSi8O22(OH)2 876.72
4.43%Mg Seelite-2   Mg(UO2)(AsO3)x(AsO4)1-x•7(H2O)(x=0.7) 548.16
4.42%Mg Ferroholmquistite   [ ](Li2Fe++3Al2)Si8O22(OH)2 808.43
4.41%Mg Aluminotaramite  ! Na(CaNa)(Fe+++3Al2)(Si6Al2)O22(OH)2 893.08
4.31%Mg Ferripedrizite  ! NaLi2(Fe+++2Mg2Li)Si8O22(OH)2 839.32
4.28%Mg Humberstonite   K3Na7Mg2(SO4)6(NO3)2•6(H2O) 1,135.32
4.27%Mg Wendwilsonite   Ca2(Mg,Co)(AsO4)2•2(H2O) 426.99
4.25%Mg Arrojadite-(SrFe)  ! SrFe++Na2Ca(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 2,063.97
4.25%Mg Magnesiodumortierite   (Mg,Ti,[])<1(Al,Mg)2Al4Si3O18-y(OH)yBy=2-3 572.14
4.24%Mg IMA2009-009   KNa2Li(Mg,Fe)2Ti2Si8O24 860.83
4.21%Mg Lennilenapeite   K6-7(Mg,Mn,Fe++,Fe+++,Zn)48(Si,Al)72(O,OH)216•16(H2O) 8,425.53
4.20%Mg Sclarite   (Zn,Mg,Mn++)4Zn3(CO3)2(OH)10 694.34
4.14%Mg Wilcoxite   MgAl(SO4)2F•18(H2O) 586.69
4.12%Mg Ferriwhittakerite  ! Na(NaLi)(Mg2Fe+++2Li)Si8O22(OH)2 867.82
4.11%Mg Parwanite   (Na,K)(Mg,Ca)4Al8(PO4)8(CO3)(OH)7•30H2O 1,775.14
4.06%Mg Yimengite   K(Cr,Ti,Fe,Mg)12O19 837.35
4.03%Mg Polyhalite   K2Ca2Mg(SO4)4•2(H2O) 602.94
3.99%Mg Willemseite   (Ni,Mg)3Si4O10(OH)2 456.63
3.99%Mg Wiluite  ! Ca19(Al,Mg,Fe,Ti)13(B,Al,[])5Si18O68(O,OH)10 2,924.83
3.98%Mg Yakhontovite   (Ca,K)0.5(Cu,Fe+++,Mg)2Si4O10(OH)2•3(H2O) 427.29
3.92%Mg Ferrosaponite  ! Ca0.3(Fe++,Mg,Fe+++)3(Si,Al)4O10(OH)2•4(H2O) 526.49
3.91%Mg Seelite-1   Mg[(UO2)(AsO3)x(AsO4)1-x]2•7(H2O) 620.82
3.91%Mg Sadanagaite   (K,Na)Ca2(Fe++,Mg,Al,Ti)5[(Si,Al)8O22](OH)2 931.99
3.91%Mg Franklinphilite   (K,Na)4(Mn++,Mg,Zn)48(Si,Al)72(O,OH)216•6(H2O) 8,207.63
3.89%Mg Magnesiofoitite  ! [](Mg2Al)Al6(Si6O18)(BO3)3(OH)4 937.08
3.88%Mg Katophorite   Na(CaNa)Fe++4(Al,Fe+++)Si7AlO22(OH)2 939.86
3.87%Mg Suhailite  ! (NH4)Fe3(Si3Al)O10(OH)2 445.65
3.87%Mg Aristarainite   Na2MgB12O20•8(H2O) 628.08
3.84%Mg Guimaraesite   Ca2(Zn,Mg,Fe)5Be4(PO4)6(OH)4•6H2O 1,107.66
3.81%Mg Magnesioastrophyllite   K2Na[Na(Fe++,Fe+++,Mn)Mg2]Ti2Si8O26(OH)4F 1,275.02
3.79%Mg Ferri-ottoliniite  ! [](Na,Li)(Mg3Fe+++2)Si8O22(OH)2 865.55
3.78%Mg Pertlikite  ! K2(Fe++,Mg)2(Mg,Fe+++)4Fe+++2Al(SO4)12•18H2O 1,933.91
3.78%Mg Povondraite  ! (Na,K)(Fe+++,Fe++)3(Fe,Mg,Al)6(BO3)3Si6O18(OH)4 1,156.50
3.72%Mg Brammallite  * (Na,H3O)(Al,Mg,Fe)2(Si,Al)4O10[(OH)2,(H2O)] 391.86
3.69%Mg Usovite   Ba2CaMgAl2F14 658.98
3.67%Mg Akrochordite   Mn4Mg(AsO4)2(OH)4•4(H2O) 661.99
3.61%Mg Bredigite   Ca7Mg(SiO4)4 673.18
3.61%Mg Maufite  ? (Mg,Ni)Al4Si3O13•4(H2O)(?) 505.14
3.59%Mg Osumilite-(Mg)   (K,Na)(Mg,Fe++)2(Al,Fe+++)3(Si,Al)12O30 1,015.74
3.54%Mg Hummerite   KMgV+++++5O14•8(H2O) 686.22
3.54%Mg Kutnohorite   Ca(Mn,Mg,Fe++)(CO3)2 205.94
3.53%Mg Ankerite   Ca(Fe++,Mg,Mn)(CO3)2 206.39
3.49%Mg Landesite   (Mn,Mg)9Fe+++3(PO4)8(OH)3•9(H2O) 1,565.99
3.46%Mg Ferri-clinoholmquistite  ! []Li2Mg3(Fe3+)2(Si8O22)(OH)2 849.26
3.45%Mg Magnesiohogbomite-2N2S   (Al,Fe++,Fe+++,Mg,Ti,Zn)11O15(OH) 423.03
3.45%Mg Triplite   (Mn,Fe++,Mg,Ca)2(PO4)(F,OH) 211.64
3.42%Mg Vesuvianite   Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4 1,422.09
3.38%Mg Vastmanlandite-(Ce)  ! (Ce,La)3CaAl2Mg2[Si2O7][SiO4]3F(OH)2 1,094.51
3.37%Mg Magnesioaubertite   (Mg,Cu)Al(SO4)2Cl•14(H2O) 540.89
3.36%Mg Ferri-arrojadite-(BaNa)  ! BaFe++Na2Ca(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(F,OH)2 2,167.47
3.35%Mg Zirklerite   (Fe++,Mg)9Al4Cl18(OH)12•14(H2O)(?) 1,634.03
3.33%Mg Swartzite   CaMg(UO2)(CO3)3•12(H2O) 730.62
3.31%Mg Jianshuiite   (Mg,Mn++)Mn++++3O7•3(H2O) 366.99
3.30%Mg Sahamalite-(Ce)   (Mg,Fe++)Ce2(CO3)4 552.46
3.30%Mg Mengxianminite  * (Ca,Na)3(Fe++,Mn++)2Mg2(Sn++++,Zn)5Al8O29 1,474.00
3.29%Mg Arseniopleite   (Ca,Na)(Na,Pb)Mn++(Mn++,Mg,Fe++)2(AsO4)3 737.72
3.28%Mg Ardennite-(As)   (Mn++,Ca,Mg)4(Al,Mg,Fe)6(SiO4)2(Si3O10)(AsO4,VO4)(OH)6 1,036.05
3.28%Mg Okhotskite-(Mg)  * Ca3(Mg,Mn++)(Mn+++,Al,Fe+++)(SiO4)(Si2O7)(OH)2•(H2O) 518.28
3.27%Mg Lasalite  ! Na2Mg2(V10O28)•20H2O 1,404.31
3.26%Mg Jervisite   (Na,Ca,Fe++)(Sc,Mg,Fe++)Si2O6 223.42
3.25%Mg Caryopilite   (Mn++,Mg,Zn,Fe++)3(Si,As)2O510(OH,Cl)4 373.76
3.24%Mg Falcondoite   (Ni,Mg)4Si6O15(OH)2•6(H2O) 750.99
3.23%Mg Manganohornesite   (Mn,Mg)3(AsO4)2•8(H2O) 563.80
3.22%Mg Ursilite  * (Mg,Ca)4[(UO2)4(OH)5/(Si2O5)5.5]•13(H2O) 2,261.26
3.22%Mg Magnesiozippeite   Mg(H2O)3.5(UO2)2(SO4)O2 755.48
3.22%Mg Arrojadite-(KNa)  ! KNa4Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 2,033.01
3.20%Mg Tantalite-(Mg)  ! (Mg,Fe)(Ta,Nb)2O6 425.25
3.17%Mg Chelyabinskite  * (Ca,Mg)3Si(OH)6(SO4,CO3)2•9(H2O) 574.77
3.14%Mg Bouazzerite  ! Bi6(Mg,Co)11Fe14[AsO4]18O12(OH)4(H2O)86 6,531.63
3.07%Mg Anandite   (Ba,K)(Fe++,Mg)3(Si,Al,Fe)4O10(S,OH)2 593.15
3.06%Mg Swinefordite   (Li,Ca0.5,Na)0.72(Li,Al,Mg)2.66(Si,Al)4O10(OH,F)2•2(H2O) 397.20
3.04%Mg Ferri-clinoferroholmquistite  ! [ ]Li2(Fe+++2Fe++3)Si8O22(OH)2 848.25
3.01%Mg Chloritoid   (Fe++,Mg,Mn)2Al4Si2O10(OH)4 484.71
3.00%Mg Odanielite   Na(Zn,Mg)3H2(AsO4)3 607.12
2.98%Mg Irhtemite   Ca4Mg(AsO3OH)2(AsO4)2•4(H2O) 814.37
2.98%Mg Clinoferroholmquistite   [ ](Li2Fe++3Al2)Si8O22 (OH)2 814.53
2.93%Mg Parwelite   (Mn,Mg)5Sb(As,Si)2O12 662.77
2.89%Mg Nickelhexahydrite   (Ni,Mg,Fe++)(SO4)•6(H2O) 252.25
2.88%Mg Chessexite   (K,Na)4Ca2Mg3Al8(SiO4)2(SO4)10(OH)10•40(H2O) 2,528.59
2.88%Mg Magnesiohogbomite-2N3S   (Mg,Fe++)1.4Ti0.3Al4O8 421.89
2.88%Mg Shuiskite   Ca2(Mg,Al)(Cr,Al)2(SiO4)(Si2O7)(OH)2•(H2O) 506.85
2.83%Mg Sklodowskite   (H3O)2Mg(UO2)2(SiO4)2•4(H2O) 858.63
2.83%Mg Pickeringite   MgAl2(SO4)4•22(H2O) 858.86
2.83%Mg Slavikite   NaMg2Fe+++5(SO4)7(OH)6•33(H2O) 1,719.83
2.81%Mg Werdingite   (Mg,Fe)2Al14B4Si4O37 1,209.06
2.79%Mg Strontiowhitlockite   Sr7(Mg,Ca)3(PO4)6[PO3(OH)] 1,392.01
2.76%Mg Rondorfite  ! Ca8Mg(SiO4)4Cl2 782.89
2.76%Mg Ferritschermakite   Ca2(Fe++,Mg)3Al2(Si7Al)O22(OH)2 879.70
2.76%Mg Paulkerrite   K(Mg,Mn)2(Fe+++,Al)2Ti(PO4)4(OH)3•15(H2O) 970.02
2.75%Mg Retzian-(La)   (Mn,Mg)2(La,Ce,Nd)(AsO4)(OH)4 441.31
2.74%Mg Dissakisite-(La)  ! (Ca,Fe++,Th,La)(La,REE,Ca)(Al,Cr,Ti)2(Mg,Fe,Al)Si3O12(OH,F)withLa>Ce 551.33
2.73%Mg Stilpnomelane   K(Fe++,Mg,Fe+++)8(Si,Al)12(O,OH)27•n(H2O) 1,247.57
2.73%Mg Matioliite  ! NaMgAl5(PO4)4(OH)6•2H2O 784.62
2.72%Mg Boyleite   (Zn,Mg)SO4•4(H2O) 223.24
2.72%Mg Melilite   (Ca,Na)2(Al,Mg,Fe++)(Si,Al)2O7 268.29
2.71%Mg Alumoakermanite  ! (Ca,Na)2(Al,Mg,Fe++)(Si2O7) 268.84
2.71%Mg Sodic-ferri-ferropedrizite  ! NaLi2(Fe+++2Fe++3)Si8O22(OH)2 851.87
2.70%Mg Niahite   (NH4)(Mn++,Mg,Ca)PO4•(H2O) 180.15
2.70%Mg Ardennite-(V)  ! Mn++4[Al4(Mg,Al,Fe+++,Mn+++)2][Si5(V,Si)]O22(OH)6 1,015.46
2.70%Mg Merrihueite   (K,Na)2(Fe++,Mg)5Si12O30 1,126.96
2.65%Mg Minnesotaite   (Fe++,Mg)3Si4O10(OH)2 458.12
2.65%Mg Lannonite   HCa4Mg2Al4(SO4)8F9•32(H2O) 1,833.84
2.64%Mg Ferroferriwinchite  * CaNa(Fe++,Mg)4Fe+++[Si8O22](OH)2 921.45
2.60%Mg Saleeite   Mg(UO2)2(PO4)2•10(H2O) 934.46
2.60%Mg Montdorite   (K,Na)(Fe++,Mn++,Mg)2.5[Si4O10](F,OH)2 467.53
2.59%Mg Ferroferritschermakite  * Ca2(Fe++,Mg)3Fe+++2(Si7Al)O22(OH)2 937.43
2.59%Mg Hillite  ! Ca2(Zn,Mg)[PO4]2•2(H2O) 356.69
2.58%Mg Picropharmacolite   Ca4Mg(AsO3OH)2(AsO4)2•11(H2O) 940.48
2.58%Mg Ferritaramite   Na(CaNa)(Fe++,Mg)3Fe+++2[Si6Al2O22](OH)2 942.23
2.58%Mg Ferrikatophorite   Na2Ca(Fe++,Mg)4Fe+++(Si7Al)O22(OH)2 943.33
2.56%Mg Metanovacekite   Mg(UO2)2(AsO4)2•4-8(H2O) 950.29
2.54%Mg Turtmannite  ! (Mn,Mg)25.5[(V,As)O4]3(SiO4)3[AsO3]xO5-5x(OH)20+x 2,396.92
2.51%Mg Protoferro-anthophyllite  ! (Fe++,Mn++)2(Fe++,Mg)5(Si4O11)2(OH)2 969.16
2.51%Mg Protomangano-ferro-anthophyllite  ! (Mn++,Fe++)2(Fe++,Mg)5(Si4O11)2(OH)2 969.16
2.48%Mg Ottrelite   (Mn,Fe++,Mg)2Al4Si2O10(OH)4 490.11
2.46%Mg Hendricksite   K(Zn,Mg,Mn)3Si3AlO10(OH)2 493.25
2.46%Mg Bederite  ! ([],Na)Ca2(Mn++,Mg,Fe++)2(Fe+++,Mg++,Al)2Mn++2(PO4)6•2(H2O) 986.80
2.46%Mg Yazganite  ! NaFe+++2(Mg,Mn)(AsO4)3•H2O 602.82
2.45%Mg Lunokite   (Mn,Ca)(Mg,Fe++,Mn)Al(PO4)2(OH)•4(H2O) 396.13
2.44%Mg Potassic-chlorohastingsite  ! (K,Na)Ca2(Fe++,Mg)4Fe+++[Si6Al2O22](Cl,OH)2 994.80
2.43%Mg Faujasite-Mg  ! (Mg,Na2,Ca)3.5[Al7Si17O48]•32(H2O) 2,099.99
2.42%Mg Chvaleticeite   (Mn++,Mg)SO4•6(H2O) 251.44
2.41%Mg Cousinite   MgU2Mo2O13•6(H2O)(?) 1,008.33
2.41%Mg Arrojadite-(NaFe)  ! NaNa2CaNa2(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 2,016.97
2.41%Mg Ganophyllite   (K,Na)2(Mn,Al,Mg)8(Si,Al)12O29(OH)7•8-9(H2O) 1,514.20
2.40%Mg Wicksite   NaCa2(Fe++,Mn++)4MgFe+++(PO4)6•2(H2O) 1,011.64
2.39%Mg Arrojadite-(KFe)  ! KNa2CaNa2(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 2,033.08
2.39%Mg Fluorarrojadite-(KNa)  ! KNa4Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(F,OH)2 2,035.07
2.39%Mg Dickinsonite-(NaNa)  ! Na2Na4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 2,036.23
2.37%Mg Dickinsonite-(KNaNa)  ! KNaNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 2,052.34
2.37%Mg Roscoelite   K(V,Al,Mg)2AlSi3O10(OH)2 411.01
2.37%Mg Brandholzite  ! Mg[Sb(OH)6]2•6(H2O) 1,027.57
2.35%Mg Tetraferriannite   K(Fe++,Mg)3(Fe+++,Al)Si3O10(OH)2 517.76
2.34%Mg Manganlotharmeyerite  ! Ca(Mn+++,Mg,)2(AsO4)2(OH,H2O)2 414.80
2.34%Mg Haggertyite  ! Ba[Fe++6Ti5Mg]O19 1,040.10
2.34%Mg Hawthorneite   Ba[Ti3Cr4Fe4Mg]O19 1,040.63
2.32%Mg Harrisonite  ! Ca(Fe++,Mg)6(PO4)2(SiO4)2 732.77
2.32%Mg Merrillite-(Ca)  * (Ca,[])19Mg2(PO4)14 2,099.61
2.31%Mg Pellyite   Ba2Ca(Fe++,Mg)2Si6O17 841.70
2.30%Mg Novacekite   Mg(UO2)2(AsO4)2•12(H2O) 1,058.38
2.28%Mg Jahnsite-(CaFeFe)  ! (Ca,Mn)(Fe++,Mn++)Fe++2Fe+++2(PO4)4(OH)2•8(H2O) 851.41
2.28%Mg Glauconite   (K,Na)(Fe+++,Al,Mg)2(Si,Al)4O10(OH)2 426.93
2.27%Mg Arrojadite-(BaNa)  ! BaFe++Na2Ca(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 2,141.18
2.27%Mg Merrillite   Ca18Na2Mg2(PO4)14 2,145.59
2.25%Mg Ternovite  ! (Mg,Ca)Nb4O11-n(H2O)wheren~10 756.81
2.21%Mg Ekmanite  ? (Fe++,Mg,Mn,Fe+++)3(Si,Al)4O10(OH)2•2(H2O) 440.08
2.19%Mg Katoptrite   (Mn,Mg)13(Al,Fe+++)4Sb+++++2Si2O28 1,553.59
2.16%Mg Sarcopside   (Fe++,Mn,Mg)3(PO4)2 338.25
2.14%Mg Tuite  ! Ca3(PO4)2 306.55
2.13%Mg Merrillite-(Y)  * Ca16Y2Mg2(PO4)14 2,277.42
2.12%Mg Montgomeryite   Ca4MgAl4(PO4)6(OH)4•12(H2O) 1,146.58
2.02%Mg Smolianinovite   (Co,Ni,Mg,Ca)3(Fe+++,Al)2(AsO4)4•11(H2O) 1,081.49
2.01%Mg Krasnovite  ! Ba(Al,Mg)(PO4,CO3)(OH)2•(H2O) 301.90
2.00%Mg Bariumbannisterite  * (K,H3O)(Ba,Ca)(Mn++,Fe++,Mg)21(Si,Al)32O80(O,OH)16•4-12(H2O) 3,648.84
1.99%Mg Magnesiocopiapite   MgFe+++4(SO4)6(OH)2•20(H2O) 1,218.39
1.99%Mg Lulzacite  ! Sr2Fe++(Fe++,Mg)2Al4(PO4)4(OH)10 975.43
1.99%Mg Ferrohogbomite-2N2S  ! (Fe++,Zn,Mg,Al)6Al14(Ti,Fe)2O30(OH)2 1,269.78
1.97%Mg Calcioferrite   Ca4Fe++(Fe+++,Al)4(PO4)6(OH)4•12(H2O) 1,233.18
1.97%Mg Teruggite   Ca4MgAs2B12O22(OH)12•12(H2O) 1,236.44
1.96%Mg Manganberzeliite   (Ca,Na)3(Mn,Mg)2(AsO4)3 618.74
1.96%Mg Ferribarroisite   CaNa(Fe++,Mg)3Fe+++2[AlSi7O22](OH)2 928.23
1.96%Mg Ferroferribarroisite  * CaNa(Fe++,Mg)3Fe+++2[AlSi7O22](OH)2 928.23
1.94%Mg Ruifrancoite  ! Ca2([],Mn)2(Fe+++,Mn,Mg)4Be4(PO4)6(OH)4•6H2O 1,075.85
1.92%Mg Sekaninaite   (Fe++,Mg)2Al4Si5O18 632.27
1.89%Mg Bannisterite   KCa(Mn,Fe++,Zn,Mg)21(Si,Al)32O76(OH)16•4-12(H2O) 3,734.70
1.88%Mg Ferrierite-Mg   (Mg,Na,K)2Mg(Si,Al)18O36•9(H2O) 2,612.43
1.87%Mg Illite  * (K,H3O)(Al,Mg,Fe)2(Si,Al)4O10[(OH)2,(H2O)] 389.34
1.86%Mg Scorzalite   (Fe++,Mg)Al2(PO4)2(OH)2 325.88
1.85%Mg Arupite   (Ni,Fe++)3(PO4)2•8(H2O) 983.91
1.83%Mg Wadalite   Ca6Al5Si2O16Cl3 795.48
1.83%Mg Pakhomovskyite  ! Co3(PO4)2•8(H2O) 504.18
1.78%Mg Caryinite   (Na,Pb)(Ca,Na)(Ca,Mn++)(Mn++,Mg)2(AsO4)3 681.37
1.76%Mg Scheuchzerite  ! Na(Mn,Mg)9[VSi9O28(OH)](OH)3 1,309.36
1.75%Mg Chloro-potassichastingsite  ! KCa2(Fe++3MgFe+++)(Si6Al2)S8O22Cl2 1,002.11
1.74%Mg Quadruphite-VII   Na14CaMgTi4[Si2O7]2(PO4)4O4F2 1,395.97
1.74%Mg Quadruphite-VIII   Na14CaMgTi4(Si2O7)2(PO4)4O4F2 1,395.97
1.73%Mg Mazzite-Mg   K2CaMg2(Al,Si)36O72•28(H2O) 2,808.04
1.71%Mg Manganosegelerite   (Mn,Ca)(Mn,Fe++,Mg)Fe+++(PO4)2(OH)•4(H2O) 426.99
1.71%Mg Cassidyite   Ca2(Ni,Mg)(PO4)2•2(H2O) 356.22
1.70%Mg Albrechtschraufite   Ca4Mg(UO2)2(CO3)6F2•17(H2O) 1,428.98
1.69%Mg Nickelblodite   Na2(Ni,Mg)(SO4)2•4(H2O) 360.26
1.68%Mg Oldhamite   (Ca,Mg,Fe)S 72.14
1.67%Mg Rivadavite   Na6MgB24O40•22(H2O) 1,458.00
1.66%Mg Kinichilite   Mg0.5[Mn++Fe+++(TeO3)3]•4.5(H2O) 730.80
1.66%Mg Homilite   Ca2(Fe++,Mg)B2Si2O10 365.90
1.66%Mg Bobdownsite  ! Ca9Mg(PO3F)(PO4)6 1,054.36
1.66%Mg Iquiqueite   K3Na4Mg(Cr++++++O4)B24O39(OH)•12(H2O) 1,466.16
1.65%Mg Keystoneite   Mg0.5[Ni++Fe++(TeO3)3]•4.5(H2O) 734.55
1.65%Mg Davisite  ! Ca(Sc,Ti+++,Mg,Ti++++)AlSiO6 235.70
1.65%Mg Zincobotryogen   (Zn,Mg,Mn)Fe+++(SO4)2(OH)•7(H2O) 443.11
1.64%Mg Berthierine   (Fe++,Fe+++,Al,Mg)2-3(Si,Al)2O5(OH)4 295.97
1.64%Mg Zemannite   Mg0.5[Zn++Fe+++(TeO3)3]•4.5(H2O) 741.25
1.61%Mg Huemulite   Na4Mg(V10O28)•24(H2O) 1,506.03
1.59%Mg Khristovite-(Ce)   (Ca,REE)(Ce,REE)(Mg,Fe,Cr,Ti,V,Al)Mn++Al(SiO4)(Si2O7)(OH)(F,O) 610.88
1.59%Mg Whitlockite   Ca9(Mg,Fe++)(PO4)6(PO3OH) 1,071.45
1.58%Mg Latrappite   (Ca,Na)(Nb,Ti,Fe)O3 154.29
1.58%Mg Taneyamalite   (Na,Ca)(Mn++,Mg)12[(Si,Al)6O17]2(O,OH)10 1,697.49
1.57%Mg Nickelboussingaultite   (NH4)2(Ni,Mg)(SO4)2•6(H2O) 386.39
1.55%Mg Polyakovite-(Ce)  ! (Ce,La,Nd,Pr,Ca)4(Mg,Fe++)(Cr,Fe+++)2(Ti,Nb)2Si4O22 1,255.42
1.54%Mg Dansite   Na21Mg(SO4)10Cl3 1,574.08
1.54%Mg Magnesiopascoite  ! Ca2Mg[V10O28]•16H2O 1,341.11
1.53%Mg Kraisslite   (Mn++,Mg)24Zn3Fe+++(As+++O3)2(As+++++O4)3(SiO4)6(OH)18 3,019.54
1.50%Mg Ferrocarpholite   (Fe++,Mg)Al2Si2O6(OH)4 324.65
1.49%Mg Xieite  ! FeCr2O4 212.12
1.49%Mg Coombsite  ! K(Mn++,Fe++,Mg)13(Si,Al)18O42(OH)14 2,127.66
1.48%Mg Parsettensite   (K,Na,Ca)(Mn,Al)7Si8O20(OH)8•2(H2O) (?) 1,150.86
1.46%Mg Cassagnaite  ! (Ca,Mn++)4(Fe+++,Mn+++,Al)4(OH)4(V+++,Mg,Al)2(O,OH)4(Si3O10)(SiO4)2 996.28
1.45%Mg Yofortierite   (Mn,Mg)5Si8O20(OH)2•8-9(H2O) 1,002.61
1.45%Mg Hogtuvaite   (Ca,Na)2(Fe++,Fe+++,Ti,Mg,Mn)6(Si,Be,Al)6O20 837.17
1.43%Mg Wardsmithite   Ca5MgB24O42•30(H2O) 1,696.57
1.43%Mg Holdenite   (Mn,Mg)6Zn3(AsO4)2(SiO4)(OH)8 1,018.89
1.43%Mg Potassicferrisadanagaite  ! (K,Na)Ca2(Fe++,Mg)2(Fe+++,Al)2[Si5Al3O22](OH,F,O)2 951.81
1.43%Mg George-ericksenite  ! Na6CaMg(IO3)6(CrO4)2•12(H2O) 1,699.91
1.43%Mg Brindleyite   (Ni,Mg,Fe++)2Al(SiAl)O5(OH)4 340.29
1.42%Mg Caryochroite  ! (Na,Sr)3(Fe+++,Mg)10[Ti2Si12O37](O,OH)9•8H2O 1,968.92
1.41%Mg Astrophyllite   K2Na(Fe++,Mn)7Ti2Si8O26(OH)4 1,289.00
1.41%Mg Erlianite   (Fe++,Mg)4(Fe+++,V+++)2[Si6O15](O,OH)8 861.42
1.41%Mg Beusite   (Mn++,Fe++,Ca,Mg)3(PO4)2 344.81
1.41%Mg Galaxite   (Mn,Mg)(Al,Fe+++)2O4 172.72
1.40%Mg Manganvesuvianite  ! Ca19Mn+++(Al,Mn+++,Fe+++)10(Mg,Mn++)2Si18O69(OH)9 2,951.26
1.38%Mg Brandtite   Ca2(Mn,Mg)(AsO4)2•2(H2O) 441.30
1.37%Mg Okhotskite-(Mn++)   Ca2(Mn++,Mg)(Mn+++,Al,Fe+++)Si3O10(OH)4 530.54
1.37%Mg Stoppaniite  ! (Fe,Al,Mg)4(Na,[])2[Be6Si12O36]•2(H2O) 1,190.23
1.37%Mg Roselite   Ca2(Co,Mg)(AsO4)2•2(H2O) 444.30
1.37%Mg Roselite-beta   Ca2(Co,Mg)(AsO4)2•2(H2O) 444.30
1.36%Mg Polyphite-VII   Na17Ca3Mg(Ti,Mn)4[Si2O7]2(PO4)6O2F6 1,786.09
1.36%Mg Polyphite-VIII   Na17Ca3Mg(Ti,Mn)4[Si2O7]2(PO4)6O2F6 1,786.09
1.35%Mg Philolithite  ! Pb12O6Mn(Mg,Mn)2(Mn,Mg)4(SO4)(CO3)4Cl4(OH)12 3,587.70
1.35%Mg Welinite-III   Mn++6(W++++++,Mg)2Si2(O,OH)14 899.73
1.34%Mg Benstonite   (Ba,Sr)6(Ca,Mn)6Mg(CO3)13 1,816.58
1.32%Mg Seidozerite   (Na,Ca)2(Zr,Ti,Mn)2Si2O7(O,F)2 368.38
1.32%Mg Burangaite   (Na,Ca)2(Fe++,Mg)2Al10(PO4)8(OH,O)12•4(H2O) 738.18
1.31%Mg Marecottite  ! Mg3(H2O)18[(UO2)4O3(SO4)2]2•10(H2O) 3,310.81
1.30%Mg Loveringite   (Ca,Ce)(Ti,Fe+++,Cr,Mg)21O38 1,678.43
1.25%Mg Aerinite   (Ca,Na)6FeAl(Fe++,Mg)2(Al,Mg)6[Si12O36(OH)12H][(H2O)12(CO3)] 1,944.10
1.21%Mg Pumpellyite-(Al)  ! Ca2(Al,Fe++,Mg)Al2(SiO4)(Si2O7)(OH,O)2•H2O 481.95
1.21%Mg Welinite-VIII   (Mn++,Mg)3(W++++++,Mn+++)1-x(SiO4)(O,OH)3(x=1/3) 402.69
1.20%Mg Pumpellyite-(Mn++)   Ca2(Mn++,Mg)(Al,Mn+++,Fe)2(SiO4)(Si2O7(OH)2•(H2O) 504.86
1.19%Mg Tistarite  ! Ti2O3 142.66
1.17%Mg Offretite   (K2,Ca,Mg)2.5Al5Si13O36•15(H2O) 1,453.72
1.17%Mg Cochromite   (Co,Ni,Fe++)(Cr,Al)2O4 207.97
1.16%Mg Osumilite-(Fe)   (K,Na)(Fe++,Mg)2(Al,Fe+++)3(Si,Al)12O30 1,047.28
1.16%Mg Fluorvesuvianite  ! Ca19(Al,Mg)13[SiO4]10[Si2O7]4(F,OH)10 2,912.65
1.14%Mg Gatelite-(Ce)  ! (Ca,Ce,La,Nd)4(Al,Mg,Fe)4[Si2O7][SiO4]3(O,F,OH)3 1,067.70
1.13%Mg Zussmanite   K(Fe++,Mg,Mn)13[AlSi17O42](OH)14 2,147.17
1.12%Mg Fluorarrojadite-(BaNa)  ! BaFe++Na2Ca(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(F,OH)2 2,174.71
1.11%Mg Stanekite  ! Fe+++(Mn,Fe++,Mg)(PO4)O 218.97
1.11%Mg IMA2000-016  ! (Ti,Fe,Mg,Mn)1-xTi2O5 219.59
1.11%Mg Betpakdalite   [Mg(H2O)6]Ca2(H2O)13[Mo++++++8As+++++2Fe+++3O36(OH)]•4(H2O) 2,196.70
1.10%Mg Biraite-(Ce)  ! Ce2Fe++(CO3)(Si2O7) 551.07
1.09%Mg Donathite  ? (Fe++,Mg)(Cr,Fe+++)2O4 222.61
1.08%Mg Arrojadite-(PbFe)  ! PbFe++Na2Ca(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 2,242.59
1.07%Mg Jacobsite   (Mn++,Fe++,Mg)(Fe+++,Mn+++)2O4 227.38
1.06%Mg Cuprospinel   (Cu,Mg)Fe+++2O4 228.86
1.04%Mg Orthochevkinite  * (Ce,La,Ca,Na,Th)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 1,170.75
1.04%Mg Lourenswalsite   (K,Ba)2(Ti,Mg,Ca,Fe)4(Si,Al,Fe)6O14(OH)12 937.50
1.03%Mg Ferrotaaffeite-6N3S   (Fe++,Zn,Mg)2Al6BeO12 470.24
1.03%Mg Fluorannite  ! KFe++3AlSi3O10F2 473.80
1.02%Mg Ferroalluaudite   NaCaFe++(Fe++,Mn,Fe+++,Mg)2(PO4)3 474.99
1.02%Mg Pseudobrookite   (Fe+++,Fe++)2(Ti,Fe++)O5 238.41
1.02%Mg Ferrowyllieite   (Na,Ca,Mn)(Fe++,Mn)(Fe++,Fe+++,Mg)Al(PO4)3 478.55
1.00%Mg Nanpingite   Cs(Al,Mg,Fe++,Li)2(Si3Al)O10(OH,F)2 487.97
0.98%Mg Petedunnite   Ca(Zn,Mn++,Fe++,Mg)Si2O6 246.86
0.97%Mg Watatsumiite  ! Na2KMn2LiV2Si8O24 905.03
0.96%Mg Lindqvistite   Pb2(Mn++,Mg)Fe+++16027 1,764.16
0.95%Mg Nordite-(La)   (Na,Mn)3(Sr,Ca)(La,Ce)(Zn,Mg)Si6O17 763.59
0.95%Mg Nordite-(Ce)   (Ce,La,Ca)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17 763.83
0.92%Mg Almarudite  ! K([],Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30] 1,000.32
0.91%Mg Faheyite   (Mn,Mg)Fe+++2Be2(PO4)4•6(H2O) 664.98
0.91%Mg Batiferrite  ! Ba(Ti2Fe+++8Fe++2)O19 1,071.04
0.89%Mg Poppiite  ! Ca2(V+++,Fe+++,Mg)(V+++,Al)2(Si,Al)3(O,OH)14 2,128.85
0.87%Mg Jarlite   Na(Sr,Na,[])7(Mg,[])Al6F32(OH,H2O)2 1,393.57
0.84%Mg Manganotychite   Na6(Mn++,Fe++,Mg)2(SO4)(CO3)4 578.33
0.83%Mg Wupatkiite   (Co,Mg,Ni)Al2(SO4)4•22(H2O) 883.07
0.82%Mg Direnzoite  ! NaK6MgCa2(Al13Si47O120)•36H2O 4,597.25
0.82%Mg Menezesite  ! Ba2MgZr4(BaNb12O42)•12H2O 2,778.48
0.82%Mg Szymanskiite   Hg+16(Ni,Mg)6(H3O)8(CO3)12•3(H2O) 4,436.34
0.81%Mg Dingdaohengite-(Ce)  ! (Ce,La)4Fe++(Ti,Fe++,Mg,Fe+++)2Ti2Si4O22 1,237.85
0.79%Mg Redingtonite   (Fe++,Mg,Ni)(Cr,Al)2(SO4)4•22(H2O) 918.74
0.77%Mg Ominelite  ! (Fe++,Mg)Al3BSiO9 316.53
0.76%Mg Kulanite   Ba(Fe++,Mn,Mg)2Al2(PO4)3(OH)3 637.65
0.75%Mg Bjarebyite   (Ba,Sr)(Mn++,Fe++,Mg)2Al2(PO4)3(OH)3 648.89
0.72%Mg Mathiasite   (K,Ca,Sr)(Ti,Cr,Fe,Mg)21O38 1,682.56
0.72%Mg Erionite-Ca  ! (Ca,K2,Na2)2[Al4Si14O36]•15(H2O) 2,904.81
0.72%Mg Gottardiite  ! Na3Mg3Ca5Al19Si117O272•93(H2O) 10,168.18
0.71%Mg Labuntsovite-Mg  ! Na4K4(Ba,K)(Mg,Fe)1+xTi8(Si4O12)4(O,OH)8•10(H2O) 2,384.94
0.70%Mg Delvauxite   CaFe+++4(PO4,SO4)2(OH)8•4-6(H2O) (?) 863.66
0.70%Mg Ferronigerite-2N1S   (Zn,Mg,Fe++)(Sn,Zn)2(Al,Fe+++)12O22(OH)2 1,041.00
0.70%Mg Makarochkinite  ! Ca2Fe++4Fe+++TiSi4BeAlO20 871.54
0.69%Mg Lindsleyite   (Ba,Sr)(Ti,Cr,Fe,Mg)21O38 1,763.22
0.69%Mg Ferrierite-K  ! (K,Na)2Mg(Si,Al)18O36•9(H2O) 2,612.03
0.67%Mg Tungusite   [Ca14(OH)8](Si8020)(Si8020)2[Fe++9(OH)14] 761.15
0.66%Mg Stavelotite-(La)  ! La3Mn++3Cu++(Mn+++,Fe+++,Mn++++)26(Si2O7)6O30 3,438.35
0.65%Mg Aenigmatite   (Na,Ca)4(Fe++,Ti,Mg)12Si12O40 1,717.59
0.61%Mg Numanoite  ! Ca4CuB4O6(OH)6(CO3)2 573.17
0.59%Mg Karnasurtite-(Ce)   (Ce,La,Th)(Ti,Nb)(Al,Fe+++)(Si,P)2O7(OH)4•3(H2O) (?) 450.31
0.59%Mg Andremeyerite   BaFe(Fe++,Mn,Mg)Si2O7 413.76
0.58%Mg Jagoite   (Pb,Na,Ca)3(Fe+++,Mg)Si3O10(Cl,OH) 834.25
0.57%Mg Boothite   CuSO4•7(H2O) 305.54
0.57%Mg Innelite   (Na,Mg,Ca)2(Ba,K)4Ti3(Si2O7)2(SO4)2(OH,F) 1,284.02
0.55%Mg Rosemaryite   (Na,Ca,Mn++)(Mn++,Fe++)(Fe+++,Fe++,Mg)Al(PO4)3 441.80
0.54%Mg Santafeite   (Mn,Fe,Al,Mg)2(Mn++++,Mn++)2(Ca,Sr,Na)3(VO4,AsO4)4(OH)3•2(H2O) 896.52
0.54%Mg Wyllieite   (Na,Ca,Mn++)(Mn++,Fe++)(Fe++,Fe+++,Mg)Al(PO4)3 451.11
0.54%Mg Heulandite-K  ! (K,Na,Ca)2-3Al3(Al,Si)2Si13O36•12(H2O) 2,900.18
0.51%Mg Earlshannonite   (Mn,Fe++)Fe+++2(PO4)2(OH)2•4(H2O) 472.79
0.51%Mg Pyrophosphite  * K2CaP2O7 287.36
0.51%Mg Johnwalkite   K(Mn++,Fe+++,Fe++)2(Nb,Ta)(PO4)2O2((H2O),OH)2 480.93
0.50%Mg Alluaudite   NaCaFe++(Mn,Fe++,Fe+++,Mg)2(PO4)3 482.77
0.50%Mg Ganterite  ! [Ba0.5(Na,K)0.5]Al2(Si2.5Al1.5O10)(OH)2 438.39
0.49%Mg Hagendorfite   NaCaMn(Fe++,Fe+++,Mg)2(PO4)3 501.07
0.48%Mg Howieite   Na(Fe++,Mn++)10(Fe,Al)2Si12O31(OH)13 2,544.93
0.47%Mg Kemmlitzite   (Sr,Ce)Al3(AsO4)(SO4)(OH)6 517.07
0.47%Mg Mcgillite   (Mn,Fe++)8Si6O15(OH)8Cl2 1,038.40
0.47%Mg Ronneburgite  ! K2MnV4O12 521.92
0.46%Mg Cobaltarthurite  ! CoFe+++2(AsO4)2(OH)2•4(H2O) 533.48
0.45%Mg Neskevaaraite-Fe  ! NaK3Fe(Ti,Nb)4(Si4O12)2(O,OH)4•6(H2O) 1,235.20
0.44%Mg Ferromerrillite  ! Ca9NaFe(PO4)7 1,095.41
0.43%Mg Latiumite   (Ca,K)8(Al,Mg,Fe)(Si,Al)10O25(SO4) 1,124.01
0.42%Mg Trevorite   NiFe+++2O4 231.86
0.40%Mg Chevkinite-(Ce)   (Ce,La,Ca,Th)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 1,205.27
0.40%Mg Faujasite-Na   (Na2,Ca,Mg)3.5[Al7Si17O48]•32(H2O) 2,109.65
0.40%Mg Macfallite   Ca2(Mn+++,Al)3(SiO4)(Si2O7)(OH)3 544.17
0.40%Mg Sturtite  ? (Fe3+)(Mn2+,Ca,Mg)Si4O10(OH)3•10(H2O) 606.77
0.40%Mg Faujasite-Ca  ! (Ca,Na2,Mg)3.5[Al7Si17O48]•32(H2O) 2,127.59
0.39%Mg Phosphoinnelite  ! Ba4Na3Ti3Si4O14(PO4,SO4)2(O,F)3 1,301.51
0.38%Mg Rhodonite   (Mn++,Fe++,Mg,Ca)SiO3 129.13
0.36%Mg Perloffite   Ba(Mn,Fe++)2Fe+++2(PO4)3(OH)3 680.92
0.35%Mg Ferrierite-Na  ! (Na,K)2Mg(Si,Al)18O36•9(H2O) 2,606.68
0.35%Mg Sobolevite   Na11(Na,Ca)4(Mg,Mn)Ti++++4(Si4O12)(PO4)4O5F3 1,378.43
0.35%Mg Walkerite  ! Ca16(Mg,Li,[])2[B13O17(OH)12]4Cl6•28(H2O) 3,822.57
0.34%Mg Santabarbaraite  ! Fe+++3(PO4)2(OH)3•5(H2O) 493.39
0.34%Mg Titantaramellite   Ba4(Ti,Fe+++,Fe++,Mg)4(B2Si8O27)O2ClxX=0TO1,withTi>Fe 1,442.84
0.34%Mg Vochtenite   (Fe++,Mg)Fe+++[(UO2)(PO4)]4(OH)•12-13(H2O) 1,806.00
0.32%Mg Keckite   Ca(Mn,Zn)2Fe+++3(PO4)4(OH)3•2(H2O) 770.34
0.31%Mg Kassite   CaTi2O4(OH)2 235.09
0.31%Mg Cerite-(La)  ! (La,Ce,Ca)9(Mg,Fe+++)(SiO4)6[SiO3(OH)](OH)3 1,825.93
0.30%Mg Staurolite   (Fe++,Mg)2Al9(Si,Al)4O20(O,OH)4 811.89
0.30%Mg Manganilvaite  ! CaFe++Fe+++(Mn,Fe++)(Si2O7)O(OH) 407.15
0.28%Mg Oursinite   (Co,Mg)(H3O)2[(UO2)SiO4]2•3(H2O) 871.78
0.28%Mg Sampleite   NaCaCu5(PO4)4Cl•5(H2O) 875.95
0.28%Mg Zincostaurolite  ! [ ]4Zn4Al16(Al,[ ])2Si8O40[O6,(OH)2] 1,667.40
0.26%Mg Mendozavilite   (Na,Mg)Ca2[Mo++++++8P+++++2Fe+++3O36(OH)]•n(H2O),n~9 1,847.68
0.26%Mg Kastningite  ! (Mn++,Fe++,Mg)Al2(PO4)2(OH)2•8(H2O) 475.72
0.25%Mg Benyacarite   (H2O,K)2Ti(Mn++,Fe++)2(Fe+++,Ti)2Ti(PO4)4(O,F)2•14(H2O) 959.61
0.24%Mg Niksergievite  ! [Ba,Ca)2(Al,Si)7O10(CO3)(OH)6•nH2O 722.73
0.23%Mg Pyrosmalite-(Fe)   (Fe++,Mn)8Si6O15(OH,Cl)10 1,053.90
0.22%Mg Synadelphite   (Mn,Mg,Ca,Pb)9(As+++O3)(As+++++O4)2(OH)9•2(H2O)(?) 1,089.48
0.22%Mg Julgoldite-(Fe+++)   Ca2Fe+++(Fe+++,Al)2(SiO4)(Si2O7)(O,OH)2•(H2O) 2,199.83
0.22%Mg Tuscanite   K(Ca,Na)6(Si,Al)10O22(SO4,CO3,(OH)2)•(H2O) 1,101.39
0.22%Mg Labuntsovite-Mn  ! Na4K4(Ba,K)(Mn,Fe)1+x(Ti,Nb)8[Si4O12]4(O,OH)8•n(H2O), n=10-12 2,232.12
0.21%Mg Nabalamprophyllite  ! Ba(Na,Ba){Na3Ti[Ti2O2Si4O14](OH,F)2} 810.56
0.20%Mg Brinrobertsite  ! (Na,K,Ca)x(Al,Fe,Mg)4(Si,Al)8O20(OH)4•3.54(H2O)[x=0.35,n=3.54] 957.70
0.20%Mg Perrierite-(Ce)   (Ce,La,Ca)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 1,201.74
0.20%Mg Mangangordonite   (Mn++,Fe++,Mg)Al2(PO4)2(OH)2•8(H2O) 480.92
0.20%Mg Kingsmountite   (Ca,Mn++)4(Fe++,Mn++)Al4(PO4)6(OH)4•12(H2O) 1,204.33
0.20%Mg Labuntsovite-Fe  ! Na4K4(Ba,K)2(Fe,Mg,Mn)1+xTi8(Si4O12)4(O,OH)8•10(H2O) 2,418.89
0.20%Mg Greifensteinite  ! Ca2Be4(Fe++,Mn)5(PO4)6(OH)4•6(H2O) 1,108.19
0.19%Mg Lemmleinite-Ba  ! Na2K2Ba1-xTi4(Si4O12)2(O,OH)4•5(H2O) 2,498.97
0.19%Mg Allanite-(La)  ! Ca(REE,Ca)Al2(Fe++,Fe+++)(SiO4)(Si2O7)O(OH) 557.74
0.19%Mg Traskite   (Ba,Ca)9(Fe++,Mn)2Ti2(SiO3)12(OH,Cl,F)6•6(H2O) 2,552.58
0.18%Mg Plumboferrite   Pb2Fe+++(11-x)Mn++xO19-2x (x=1/3) 1,314.19
0.18%Mg Ferronordite-(La)  ! Na3Sr(La,Ce)FeSi6O17 800.84
0.17%Mg Hibonite   (Ca,Ce)(Al,Ti,Mg)12O19 708.81
0.17%Mg Akatoreite   (Mn++,Fe++)9Al2Si8O24(OH)8 1,282.75
0.17%Mg Gadolinite-(Ce)   (Ce,La,Nd,Y)2Fe++Be2Si2O10 571.37
0.16%Mg Clinoptilolite-K   (Na,K,Ca)2-3Al3(Al,Si)2Si13O36•12(H2O) 2,830.35
0.16%Mg Manganiandrosite-(Ce)  ! (Mn++,Ca)(Ce,REE)AlMn+++Mn++(Si2O7)(SiO4)O(OH) 599.53
0.16%Mg Taramellite   Ba4(Fe+++,Ti,Fe++,Mg)4(B2Si8O27)O2Clx(x=0to1) 1,525.66
0.16%Mg Erionite-Na   (Na2,K2,Ca)2[Al4Si14O36]•15(H2O) 2,809.97
0.15%Mg Barrerite   (Na,K,Ca)2Al2Si7O18•6(H2O) 2,680.57
0.15%Mg Clinoptilolite-Ca  ! (Ca,Na,K)2-3Al3(Al,Si)2Si13O36•12(H2O) 2,742.13
0.15%Mg Barytolamprophyllite   Ba2Na3(Fe+++,Ti)3(Si2O7)2(O,OH,F)4 807.31
0.15%Mg Manganokukisvumite  ! Na6MnTi4Si8O28•4(H2O) 1,130.79
0.14%Mg Ingersonite   Ca3Mn++Sb+++++4O14 882.79
0.13%Mg Mazzite-Na  ! Na8Al8Si28O72•30H2O 2,888.35
0.13%Mg Levyne-Na  ! (Na2,Ca,K2)Al2Si4O12•6(H2O) 1,540.68
0.13%Mg Vanadoandrosite-(Ce)  ! (Mn++,Ca)(REE)V+++AlMn++(Si2O7)(SiO4)O(OH) 580.77
0.12%Mg Ciprianiite  ! Ca4[(Th,U)(REE)]2(Al,[ ])2[Si4B4O22](OH,F)2 1,032.51
0.12%Mg Chukanovite  ! Fe2(CO3)(OH)2 206.88
0.11%Mg Armbrusterite  ! K5Na6Mn+++Mn++14[Si9O22]4(OH)10•4H2O 3,806.38
0.11%Mg Footemineite  ! Ca2Mn++Mn++2Mn++2Be4(PO4)6(OH)4•6H2O 1,122.79
0.11%Mg Ferrorosemaryite  ! [ ]NaFe++Fe+++Al(PO4)3 454.58
0.11%Mg Nelenite   (Mn,Fe++)16Si12As+++3O36(OH)17 2,312.59
0.10%Mg Middendorfite  ! K3Na2Mn5Si12(O,OH)36•2H2O 1,408.07
0.10%Mg Attikaite  ! Ca3Cu2Al2(AsO4)4(OH)4•2H2O 944.79
0.10%Mg Gutkovaite-Mn  ! CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4•5(H2O) 1,243.09
0.10%Mg Chabazite-K  ! (K2,Ca,Na2,Mg)[Al2Si4O12]•6(H2O) 504.66
0.09%Mg Shafranovskite   K2Na3(Mn++,Fe++,Na)4[Si9(O,OH)27](OH)2•n(H2O), n~2.33 1,051.58
0.09%Mg Cejkaite  ! Na4(UO2)(CO3)3 546.35
0.09%Mg Terranovaite  ! (Na,Ca)8(Si68Al12)O160•29(H2O) 5,573.13
0.09%Mg Marianoite  ! Na2Ca4(Nb,Zr)2(Si2O7)2(O,F)4 792.51
0.09%Mg Dalyite   K2ZrSi6O15 571.59
0.08%Mg Yttrotungstite-(Y)   YW2O6(OH)3 598.35
0.08%Mg Paravinogradovite  ! (Na,[ ])2(Ti,Fe+++)4(Si2O6)2(Si3AlO10)(OH)4•H2O 902.89
0.08%Mg Dovyrenite  ! Ca6Zr[Si2O7]2(OH)4 728.49
0.08%Mg Barahonaite-(Fe)  ! (Ca,Cu,Na,Fe+++,Al )12Fe+++2(AsO4)8(OH,Cl)x•nH2O 2,141.70
0.08%Mg Surkhobite  ! KBa3Ca2Na2(Mn, Fe++,Fe+++)16Ti8(Si2O7)8O8(OH)4 (F,O,OH)8 3,523.22
0.07%Mg Nalivkinite  ! Li2NaFe++7Ti2Si8O24(OH)4F 1,309.53
0.07%Mg Dickinsonite-(KMnNa)  ! KNaMnNa3Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 2,117.87
0.05%Mg Hyalotekite   (Ba,Pb,Ca,K)6(B,Si,Al)2(Si,Be)10O28(F,Cl) 1,474.06
0.05%Mg Dachiardite-Na   (Na2,Ca,K2)4Al4Si20O48•13(H2O) 1,808.84
0.05%Mg Miserite   K1.5-x(Ca, Y,REE)5[Si6O15][Si2O7](OH,F)2•yH2O 933.24
0.05%Mg Minehillite   (K,Na)2-3Ca28(Zn4Al4Si40)O112(OH)16 4,786.44
0.05%Mg Erionite-K  ! (K2,Ca,Na2)2[Al4Si14O36]•15(H2O) 2,958.94
0.05%Mg Schorl-(F)  ! NaFe++3Al6Si6O18)(BO3)3(OH)3(F,OH) 1,028.43
0.05%Mg Haineaultite  ! (Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8•5(H2O) 1,557.11
0.05%Mg Chabazite-Ca   (Ca0.5,Na,K)4[Al4Si8O24]•12H2O 1,039.07
0.05%Mg Chabazite-Na  ! (Na2,K2,Ca,Mg)[Al2Si4O12]•6(H2O) 1,046.27
0.04%Mg Uedaite-(Ce)  ! Mn++CeAl2Fe++(Si2O7)(SiO4)O(OH) 584.87
0.04%Mg Boromullite  ! Al4.5SiB0.5O9.5 610.43
0.04%Mg Batisivite  ! (Ti,V,Cr)14Ba[Si2O7]O22 1,358.26
0.03%Mg Kentrolite   Pb2Mn+++2Si2O9 718.61
0.03%Mg Lovdarite   K2Na6Be4Si14O36•9(H2O) 1,466.77
0.03%Mg Piergorite-(Ce)  ! Ca8Ce2(Al0.5 Fe+++0.5)([ ],Li,Be)2Si6B8O36(OH,F)2 1,498.89
0.03%Mg Gjerdingenite-Mn  ! (K,Na)2(Mn,Fe)(Nb,Ti)4(Si4O12)2(O,OH)4•6(H2O) 2,494.47
0.03%Mg Potassicarfvedsonite  ! KNa2Fe++4Fe+++Si8O22(OH)2 962.95
0.02%Mg Bussyite-(Ce)  ! (Ce,REE)3(Na,H2O)6MnSi9Be5(O,OH)30F4 1,329.21
0.02%Mg Kuzmenkoite-Zn  ! K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4•6-8(H2O) 1,214.76
0.02%Mg Meurigite-Na  ! [Na(H2O)2.5][Fe+++8(PO4)6(OH)7(H2O)4] 1,239.22
0.02%Mg Lepkhenelmite-Zn  ! Ba2Zn(Ti,Nb)4(Si4O12)2(O,OH)4•7(H2O) 1,261.08
0.02%Mg Heulandite-Sr  ! (Sr,Na,Ca)2-3Al3(Al,Si)2Si13O36•12(H2O) 2,880.96
0.02%Mg Martinite  ! (Na,[ ],Ca)12Ca4(Si,S,B)14B2O38(OH,Cl)2F2•4(H2O) 1,589.21
0.01%Mg Lakargiite  ! CaZrO3 177.87
0.01%Mg Heulandite-Ca   (Ca,Na)2-3Al3(Al,Si)2Si13O36•12(H2O) 2,825.14

(* - Mineral Name Is Not IMA Approved)
(! - New Dana classification added or changed from Danas New Mineralogy)
(? - IMA Discredited Mineral Species Name)

There are 899 minerals with Mg in the Mineralogy Database.