Zalesiite Mineral Data

General Zalesiite Information

Chemical Formula: (Ca,Y)Cu6[(AsO4)2(AsO3OH)(OH)6]•3(H2O) Composition: Molecular Weight = 1,004.97 gm    Calcium    3.19 %  Ca    4.46 % CaO    Yttrium    1.77 %  Y     2.25 % Y₂O₃    Copper    37.94 %  Cu   47.49 % CuO    Arsenic   22.37 %  As   34.31 % As₂O₅    Hydrogen   1.30 %  H    11.65 % H₂O    Oxygen    33.43 %  O             ______        ______              100.00 %      100.16 % = TOTAL OXIDE Empirical Formula: Ca_0.8Y_0.2Cu₆(AsO₄)₂(AsO₃OH)(OH)₆•3(H₂O) Environment: Oxidation product of chalcopyrite The calcium and arsenate dominant member of the mixite group. IMA Status: Approved IMA 1997 (Dana # Added) Locality: Zalesi (formerly Valdek) uranium deposit near Javornik, northern Moravia, Czech Republic. Link to MinDat.org Location Data. Name Origin: Named for the locality. Synonym: IMA1997-009  

Zalesiite Image

Images: Images:

Zalesiite Crystallography

Axial Ratios: a:c = 1:0.43327 Cell Dimensions: a = 13.571, c = 5.88, Z = 2; V = 937.85 Den(Calc)= 3.56 Crystal System: Hexagonal - DipyramidalH-M Symbol (6/m) Space Group: P 6₃/m X Ray Diffraction: By Intensity(I/I_o): 11.64(1), 2.9347(0.42), 4.431(0.41), Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Aruga A , Nakai I , Acta Crystallographica, Section C , 41 (1985) p.161-163, Structure of Ca-rich agardite,, (Ca0.40Y0.31Fe0.09Ce0.06La0.04Nd0.01)Cu6.19[(AsO4)2.42(HAsO4)0.49](OH)6.38*3H2O, Locality: Setoda, Hiroshima, Japan

 

Physical Properties of Zalesiite

Color: Pale green. Density: 3.49 Diaphaneity: Transparent Habit: Acicular - Occurs as needle-like crystals. Habit: Fibrous - Crystals made up of fibers. Habit: Powdery - Forms a loose, poorly-coherent pulverulent mass. Hardness: 2-3 - Gypsum-Calcite Luster: Vitreous - Resinous Streak: white  

Optical Properties of Zalesiite

Gladstone-Dale: CI meas= -0.101 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.079 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2041,KPDmeas= 0.2082,KC= 0.1891
Ncalc = 1.66 - 1.67 Optical Data: Uniaxial (+), w=1.688, e=1.765, bire=0.0770.  

Calculated Properties of Zalesiite

Electron Density: Bulk Density (Electron Density)=3.39 gm/cc
note: Specific Gravity of Zalesiite =3.56 gm/cc.
Fermion Index: Fermion Index = 0.0002055013
Boson Index = 0.9997944987 Photoelectric: PE_Zalesiite = 34.66 barns/electron
U=PE_Zalesiite x rElectron Density= 117.31 barns/cc.
Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zalesiite is Not Radioactive  

Zalesiite Classification

Dana Class: 42.05.01.04 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen   (42.05)where (A)2 (XO4) Zq · x(H2O)   (42.05.01)Mixite group (Arsenate Series)  

42.05.01.01 Mixite BiCu6(AsO4)3(OH)6•3(H2O) P 6₃/m 6/m

 

42.05.01.02 Agardite-(Y) (Y,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 6₃/m 6/m

 

42.05.01.02a Agardite-(La)! (La,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 6₃/m 6/m

 

42.05.01.02b Agardite-(Nd)! (Pb,Nd,Y,La,Ca)Cu6(AsO4)3(OH)6•3(H2O) 6/m

 

42.05.01.02c Agardite-(Dy)! (Dy,La,Ca)Cu6(AsO4)3(OH)6•3(H2O) 6/m

 

42.05.01.02d Agardite-(Ca)! CaCu6(AsO4)3(OH)6•3(H2O) 6/m

 

42.05.01.02e Agardite-(Ce)! (Ce,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 6₃/m 6/m

 

42.05.01.03 Goudeyite (Al,Y)Cu6(AsO4)3(OH)6•3(H2O) Unk Hex

 

42.05.01.04 Zalesiite! (Ca,Y)Cu6[(AsO4)2(AsO3OH)(OH)6]•3(H2O) P 6₃/m 6/m

 

42.05.01.06 Plumboagardite! (Pb,REE,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 6₃/m 6/m

Strunz Class: 08.DL.15 08 - PHOSPHATES, ARSENATES, VANADATES   08.D - Phosphates, etc   08.DL -With large and medium-sized cations, (OH, etc.):RO4 = 2:1  

08.DL.15 Agardite-(Dy)! (Dy,La,Ca)Cu6(AsO4)3(OH)6•3(H2O) 6/m

 

08.DL.15 Agardite-(Ca)! CaCu6(AsO4)3(OH)6•3(H2O) 6/m

 

08.DL.15 Agardite-(Ce)! (Ce,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 6₃/m 6/m

 

08.DL.15 Agardite-(La)! (La,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 6₃/m 6/m

 

08.DL.15 Agardite-(Nd)! (Pb,Nd,Y,La,Ca)Cu6(AsO4)3(OH)6•3(H2O) 6/m

 

08.DL.15 Agardite-(Y) (Y,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 6₃/m 6/m

 

08.DL.15 Goudeyite (Al,Y)Cu6(AsO4)3(OH)6•3(H2O) Unk Hex

 

08.DL.15 Zalesiite! (Ca,Y)Cu6[(AsO4)2(AsO3OH)(OH)6]•3(H2O) P 6₃/m 6/m

 

08.DL.15 Mixite BiCu6(AsO4)3(OH)6•3(H2O) P 6₃/m 6/m

 

08.DL.15 Petersite-(Y) (Y,Ce,Nd,Ca)Cu6(PO4)3(OH)6•3(H2O) P 6₃/m 6/m

 

08.DL.15 Calciopetersite! CaCu6[(PO4)2(PO3OH)(OH)6]•3(H2O) P 6₃/m 6/m

 

08.DL.15 Plumboagardite! (Pb,REE,Ca)Cu6(AsO4)3(OH)6•3(H2O) P 6₃/m 6/m

 

Other Zalesiite Information

References: NAME( AmMin, vol 85, p 1564) PHYS. PROP.(AmMin, vol 85, p 1564) OPTIC PROP.(AmMin, vol 85, p 1564) See Also: Links to other databases for Zalesiite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Zalesiite :

A Bijoux Google Search for Zalesiite
Adam's Minerals Google Search for Zalesiite
Cape Minerals Google Search for Zalesiite
Dakota Matrix Minerals Google Search for Zalesiite
Excalibur Mineral Corp. Google Search for Zalesiite
Exceptional Minerals Google Search for Zalesiite
John Betts Fine Minerals Search for Zalesiite
McDougall Minerals Google Search for Zalesiite
Mineral News Website Link
Rock and Mineral Shows Google Search for Zalesiite
Weinrich Minerals, Inc. Google Search for Zalesiite

Ask about Zalesiite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Zalesiite Specimen Label here :