Magnesiosadanagaite Mineral Data

General Magnesiosadanagaite Information

Chemical Formula: NaCa2[Mg3(Al,Fe+++)2]Si5AlO22(OH)2 Composition: Molecular Weight = 869.29 gm    Potassium   0.41 %  K     0.49 % K₂O    Sodium      2.48 %  Na    3.35 % Na₂O    Calcium     8.98 %  Ca   12.57 % CaO    Magnesium   8.12 %  Mg   13.47 % MgO    Titanium    1.62 %  Ti    2.71 % TiO₂    Manganese   0.14 %  Mn    0.18 % MnO    Aluminum   11.12 %  Al   21.01 % Al₂O₃    Chromium    0.01 %  Cr    0.01 % CrO    Iron        5.28 %  Fe    6.20 % FeO /  0.55 % Fe₂O₃    Silicon    17.43 %  Si   37.29 % SiO₂    Hydrogen    0.23 %  H     2.07 % H₂O    Oxygen     44.17 %  O              ______        ______               100.00 %       99.89 % = TOTAL OXIDE Empirical Formula: Na_0.9(OH)₂K_0.09Ca_1.94Na_0.03Mg_0.02Mg_2.88Fe²⁺_0.75Fe³⁺_0.06Mn²⁺_0.02Cr_0.001Ti_0.29Al_0.97 Si_5.39Al_2.6O₂₂ Environment: The mineral occurs in a compositionally zoned crystal with a pargasite core in a contact aureole consisting predominantly of calcareous rocks adjacent to granite. Amphibole group. IMA Status: Approved IMA 2004 (Dana # Added) Locality: Kasuga-mura, Gifu Prefecture, central Japan. Occurrences in the eastern Alps and in Yunnan Province, China, are also known. Link to MinDat.org Location Data. Name Origin: Named as a low-K analog of potassic-magnesiosadanagaite (renamed from original magnesiosadanagaite-IMA1982-102). Synonym: IMA2002-051  

Magnesiosadanagaite Image

Images:

Magnesiosadanagaite Comments: Magnesiosadanagaite mantled by phlogopite (brown) adjacent to corundum (variety ruby) in white marble. (CanMin, v46:151). Location: Dattaw mine, Mogok Stone Tract, Mandalay Division, Myanmar. Scale: Picture size 4 cm. © Canadian Mineralogist

Magnesiosadanagaite Crystallography

Axial Ratios: a:b:c =0.551:1:0.2965 Cell Dimensions: a = 9.875, b = 17.92, c = 5.314, Z = 2; beta = 105.55° V = 905.95 Den(Calc)= 3.19 Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m X Ray Diffraction: By Intensity(I/I_o): 8.38(1)(110), 2.56(0.9)(210), 2.34(0.8)(351,421),2.7(0.8)(151), 3.11(0.8)(310), 2.58(0.75)(061), 1.587(0.7)(153), Crystal Structure:

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Banno Y , Miyawaki R , Matsubara S , Makino K , Bunno M , Yamada S , Kamiya T , European Journal of Mineralogy , 16 (2004) p.177-183, Magnesiosadanagaite, a new member of the amphibole group, from Kasuga-mura, Gifu Prefecture, central Japan, Sample: GSJ M35151-1, Locality: Kasuga-mura, Gifu Prefecture, central Japan View Additional jPOWD Structure files for Magnesiosadanagaite [1]

 

Physical Properties of Magnesiosadanagaite

Cleavage: {110} Perfect, {110} Perfect Color: Brownish black. Diaphaneity: Translucent Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments. Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). Hardness: 5.5-6 - Knife Blade-Orthoclase Luster: Vitreous (Glassy) Streak: reddish tinted brown  

Optical Properties of Magnesiosadanagaite

Gladstone-Dale: CI calc= -0.005 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2143,KC= 0.2132
Ncalc = 1.68 Optical Data: Biaxial (+), a=1.674, b=1.683, g=1.694, bire=0.0200, 2V(Calc)=86, 2V(Meas)=80-90. Dispersion Calculated β index.  

Calculated Properties of Magnesiosadanagaite

Electron Density: Bulk Density (Electron Density)=3.16 gm/cc
note: Specific Gravity of Magnesiosadanagaite =3.19 gm/cc.
Fermion Index: Fermion Index = 0.01
Boson Index = 0.99 Photoelectric: PE_{Magnesiosadanagaite} = 4.22 barns/electron
U=PE_{Magnesiosadanagaite} x r_electron= 13.32 barns/cc.
Radioactivity:

GRapi = 5.85 (Gamma Ray American Petroleum Institute Units)
Concentration of Magnesiosadanagaite per GRapi unit = 17.10 (%)

Estimated Radioactivity from Magnesiosadanagaite - barely detectable

 

Magnesiosadanagaite Classification

Dana Class: 66.01.03a.17c (66)Inosilicate Double-Width Unbranched Chains, W=2   (66.01)with P=2 amphibole configuration   (66.01.03a)Group 2, the calcic amphiboles  

66.01.03a.01 Tremolite []Ca2Mg5Si8O22(OH)2 C 2/m 2/m

 

66.01.03a.02 Actinolite Ca2(Mg,Fe)5Si8O22(OH)2 C 2/m 2/m

 

66.01.03a.03 Ferro-actinolite []Ca2Fe5Si8O22(OH)2 C 2/m 2/m

 

66.01.03a.04 Magnesiohornblende Ca2[Mg4(Al,Fe)]Si7AlO22(OH)2 C 2/m 2/m

 

66.01.03a.05 Ferrohornblende []Ca2[Fe4(Al,Fe)]Si7AlO22(OH)2 C 2/m 2/m

 

66.01.03a.06 Tschermakite []Ca2(Mg3AlFe)Si6Al2O22(OH)2 C 2/m 2/m

 

66.01.03a.06a Aluminoferrotschermakite! []Ca2(Fe2)3Al2(Si6Al2)O22(OH)2 C 2/m 2/m

 

66.01.03a.06b Ferri-ferrotschermakite! []Ca2(Fe2)3(Fe3)2(Si6Al2)O22(OH)2 C 2/m 2/m

 

66.01.03a.06c Ferrotschermakite! []Ca2(Fe3AlFe)Si6Al2O22(OH) C 2/m 2/m

 

66.01.03a.07 Ferro-aluminotschermakite* Ca2Fe3Al2(Si7Al)O22(OH)2 C 2/m 2/m

 

66.01.03a.08 Ferritschermakite Ca2(Fe,Mg)3Al2(Si7Al)O22(OH)2 C 2/m 2/m

 

66.01.03a.09 Ferroferritschermakite* Ca2(Fe,Mg)3Fe2(Si7Al)O22(OH)2 C 2/m 2/m

 

66.01.03a.10 Edenite NaCa2Mg5Si7AlO22(OH)2 C 2/m 2/m

 

66.01.03a.10a Fluoro-edenite! NaCa2Mg5Si7AlO22(F,OH)2 C 2/m 2/m

 

66.01.03a.11 Ferro-edenite NaCa2Fe5Si7AlO22(OH)2 C 2/m 2/m

 

66.01.03a.12 Pargasite NaCa2(Mg,Fe)4Al(Si6Al2)O22(OH)2 C 2/m 2/m

 

66.01.03a.12a Potassicpargasite! (K,Na)Ca2(Mg,Fe)5Si8O22(OH,F)2 C 2/m 2/m

 

66.01.03a.13 Ferropargasite NaCa2(Fe4Al)Si6Al2O22(OH)2 C 2/m 2/m

 

66.01.03a.13a Ferrochloropargasite! NaCa2(Fe4Al)Si6Al2O22Cl2 C 2/m 2/m

 

66.01.03a.13b Potassic-chloropargasite! (K,Na)Ca2(Mg,Fe2)4Al(Si6Al2O22)(Cl,OH)2 C 2/m 2/m

 

66.01.03a.13c Potassic-ferropargasite KCa2(Fe4Al)Si6Al2O22(OH)2 C 2/m 2/m

 

66.01.03a.14 Magnesiohastingsite NaCa2(Mg4Fe)Si6Al2O22(OH)2 C 2/m 2/m

 

66.01.03a.15 Hastingsite NaCa2(Fe4Fe)Si6Al2O22(OH)2 C 2/m 2/m

 

66.01.03a.15a Potassic-chlorohastingsite! (K,Na)Ca2(Fe,Mg)4Fe[Si6Al2O22](Cl,OH)2 C 2/m 2/m

 

66.01.03a.15b Fluoro-magnesiohastingsite! (Na,K)Ca2(Mg,Fe,Ti)5(Si,Al)8O22F2 C 2/m 2/m

 

66.01.03a.15c Potassic-magnesiohastingsite! (K,Na)Ca2(Mg,Fe,Fe,Al)5(Si,Al)8O22(OH,Cl)2 C 2/m 2/m

 

66.01.03a.15d Chloro-potassichastingsite! KCa2(Fe3MgFe)(Si6Al2)S8O22Cl2 C 2/m 2/m

 

66.01.03a.15e Fluoro-potassichastingsite! KCa2(Fe2,Mg2,Fe)S5(Si6Al2)8O22F2 C 2/m 2/m

 

66.01.03a.16 Potassic-magnesiosadanagaite (K,Na)Ca2(Mg,Fe,Al,Ti)5[(Si,Al)8O22](OH)2 C 2,Cm,C 2/m Mono

 

66.01.03a.17 Sadanagaite (K,Na)Ca2(Fe,Mg,Al,Ti)5[(Si,Al)8O22](OH)2 C 2,Cm,C 2/m Mono

 

66.01.03a.17a Potassicsadanagaite! (K,Na)Ca2[Fe3(Al,Fe)2][Si5Al3O22](OH)2 C 2,Cm,C 2/m Mono

 

66.01.03a.17b Potassicferrisadanagaite! (K,Na)Ca2(Fe,Mg)2(Fe,Al)2[Si5Al3O22](OH,F,O)2 C 2/m 2/m

 

66.01.03a.17c Magnesiosadanagaite! NaCa2[Mg3(Al,Fe)2]Si5AlO22(OH)2 C 2/m 2/m

 

66.01.03a.18 Kaersutite NaCa2(Mg4Ti)Si6Al2O23(OH)2 C 2/m 2/m

 

66.01.03a.19 Ferrokaersutite NaCa2(Fe4Ti)Si6Al2O22(OH)2 C 2/m 2/m

 

66.01.03a.20 Fluorocannilloite! CaCa2(Mg4Al)Si5Al3O22F2 C 2/m 2/m

 

66.01.03a.20a Cannilloite! CaCa2Mg4Al(Si5Al3)O22(OH)2 C 2/m 2/m

Strunz Class: 09.DE.10 09 - SILICATES (Germanates)   09.D - Inosilicates* Structural terminology according to Liebau (1985)   09.DE -Inosilicates with 2-periodic double chains, Si4O11; amphibole family  

09.DE.10 Ferritschermakite Ca2(Fe,Mg)3Al2(Si7Al)O22(OH)2 C 2/m 2/m

 

09.DE.10 Ferro-actinolite []Ca2Fe5Si8O22(OH)2 C 2/m 2/m

 

09.DE.10 Aluminoferrotschermakite! []Ca2(Fe2)3Al2(Si6Al2)O22(OH)2 C 2/m 2/m

 

09.DE.10 Edenite NaCa2Mg5Si7AlO22(OH)2 C 2/m 2/m

 

09.DE.10 Ferri-ferrotschermakite! []Ca2(Fe2)3(Fe3)2(Si6Al2)O22(OH)2 C 2/m 2/m

 

09.DE.10 Actinolite Ca2(Mg,Fe)5Si8O22(OH)2 C 2/m 2/m

 

09.DE.10 Cannilloite! CaCa2Mg4Al(Si5Al3)O22(OH)2 C 2/m 2/m

 

09.DE.10 Fluorocannilloite! CaCa2(Mg4Al)Si5Al3O22F2 C 2/m 2/m

 

09.DE.10 Ferrohornblende []Ca2[Fe4(Al,Fe)]Si7AlO22(OH)2 C 2/m 2/m

 

09.DE.10 Ferrokaersutite NaCa2(Fe4Ti)Si6Al2O22(OH)2 C 2/m 2/m

 

09.DE.10 Ferro-edenite NaCa2Fe5Si7AlO22(OH)2 C 2/m 2/m

 

09.DE.10 Ferro-aluminotschermakite* Ca2Fe3Al2(Si7Al)O22(OH)2 C 2/m 2/m

 

09.DE.10 Potassic-magnesiosadanagaite (K,Na)Ca2(Mg,Fe,Al,Ti)5[(Si,Al)8O22](OH)2 C 2,Cm,C 2/m Mono

 

09.DE.10 Fluoro-edenite! NaCa2Mg5Si7AlO22(F,OH)2 C 2/m 2/m

 

09.DE.10 Hastingsite NaCa2(Fe4Fe)Si6Al2O22(OH)2 C 2/m 2/m

 

09.DE.10 Ferrotschermakite! []Ca2(Fe3AlFe)Si6Al2O22(OH) C 2/m 2/m

 

09.DE.10 Ferroferritschermakite* Ca2(Fe,Mg)3Fe2(Si7Al)O22(OH)2 C 2/m 2/m

 

09.DE.10 Ferropargasite NaCa2(Fe4Al)Si6Al2O22(OH)2 C 2/m 2/m

 

09.DE.10 Joesmithite PbCa2(Mg,Fe,Fe)5Si6Be2O22(OH)2 P 2/a 2/m

 

09.DE.10 Kaersutite NaCa2(Mg4Ti)Si6Al2O23(OH)2 C 2/m 2/m

 

09.DE.10 Magnesiohastingsite NaCa2(Mg4Fe)Si6Al2O22(OH)2 C 2/m 2/m

 

09.DE.10 Magnesiohornblende Ca2[Mg4(Al,Fe)]Si7AlO22(OH)2 C 2/m 2/m

 

09.DE.10 Pargasite NaCa2(Mg,Fe)4Al(Si6Al2)O22(OH)2 C 2/m 2/m

 

09.DE.10 Potassicsadanagaite! (K,Na)Ca2[Fe3(Al,Fe)2][Si5Al3O22](OH)2 C 2,Cm,C 2/m Mono

 

09.DE.10 Potassicpargasite! (K,Na)Ca2(Mg,Fe)5Si8O22(OH,F)2 C 2/m 2/m

 

09.DE.10 Sadanagaite (K,Na)Ca2(Fe,Mg,Al,Ti)5[(Si,Al)8O22](OH)2 C 2,Cm,C 2/m Mono

 

09.DE.10 Tschermakite []Ca2(Mg3AlFe)Si6Al2O22(OH)2 C 2/m 2/m

 

09.DE.10 Tremolite []Ca2Mg5Si8O22(OH)2 C 2/m 2/m

 

09.DE.10 Fluoro-magnesiohastingsite! (Na,K)Ca2(Mg,Fe,Ti)5(Si,Al)8O22F2 C 2/m 2/m

 

09.DE.10 Parvo-manganotremolite! [](CaMn)2Mg5(Si7Al)O22(OH)2 C 2/m 2/m

 

09.DE.10 Fluoropargasite! NaCa2(Mg3FeAl)5(Si6Al2O22)F2 C 2/m 2/m

 

09.DE.10 Parvo-mangano-edenite! Na(CaMn)2Mg5(Si7Al)O22(OH)2 C 2/m 2/m

 

09.DE.10 Magnesiosadanagaite! NaCa2[Mg3(Al,Fe)2]Si5AlO22(OH)2 C 2/m 2/m

 

09.DE.10 Fluoro-potassichastingsite! KCa2(Fe2,Mg2,Fe)S5(Si6Al2)8O22F2 C 2/m 2/m

 

09.DE.10 Chloro-potassichastingsite! KCa2(Fe3MgFe)(Si6Al2)S8O22Cl2 C 2/m 2/m

 

09.DE.10 Potassic-magnesiohastingsite! (K,Na)Ca2(Mg,Fe,Fe,Al)5(Si,Al)8O22(OH,Cl)2 C 2/m 2/m

 

09.DE.10 Potassic-ferropargasite KCa2(Fe4Al)Si6Al2O22(OH)2 C 2/m 2/m

 

Other Magnesiosadanagaite Information

References: NAME( AmMin 89:1829) PHYS. PROP.(AmMin 89:1829) OPTIC PROP.(AmMin 89:1829) See Also: Links to other databases for Magnesiosadanagaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Ecole des Mines de Paris
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
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