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Agardite-(Ca) Mineral Data

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General Agardite-(Ca) Information

Help on Chemical  Formula: Chemical Formula: CaCu6(AsO4)3(OH)6•3(H2O)
Help on Composition: Composition: Molecular Weight = 994.20 gm
   Calcium    4.03 %  Ca    5.64 % CaO
   Copper    38.35 %  Cu   48.01 % CuO
   Arsenic   22.61 %  As   34.68 % As2O5
   Hydrogen   1.22 %  H    10.87 % H2O
   Oxygen    33.79 %  O
            ______        ______ 
            100.00 %       99.20 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaCu6(AsO4)3(OH)6•3(H2O)
Help on IMA Status: IMA Status: Not Approved IMA (Dana # Added)
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition and for Jules Agard, Geologist, Bureau de Recherches Geologiques et Minieres, Orleans, France.
Help on Name Pronunciation: Name Pronunciation: Agardite-(Ca) Say AGARDITE-(CA)
 

Agardite-(Ca) Image

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  Agardite-(Ca)

Comments: Green, acicular sprays of agardite (agardite-Ca?) on matrix.
Location: Big Three mine, Silver Peak, Esmeralda County, Nevada, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Agardite-(Ca) Crystallography

Help on Crystal System: Crystal System: Hexagonal - Dipyramidal H-M Symbol (6/m)
 

Physical Properties of Agardite-(Ca)

Help on Color: Color: Grass green, Light green.
Help on Density: Density: 3.72
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: greenish white
 

Optical Properties of Agardite-(Ca)

Help on Optical Data: Optical Data: NCalc= 1.69 - from Gladstone-Dale relationship (KC = 0.1866) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Agardite-(Ca)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.54 gm/cc
note: Specific Gravity of Agardite-(Ca) =3.72 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0002184603
Boson Index = 0.9997815397
Help on Photoelectric: Photoelectric: PEAgardite-(Ca) = 32.91 barns/electron
U=PEAgardite-(Ca) x rElectron Density= 116.48 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Agardite-(Ca) is Not Radioactive
 

Agardite-(Ca) Classification

Help on  Dana Class: Dana Class: 42.05.01.02d (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
Help on  Strunz Class: 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 Agardite-(Ca) Information

Help on References: References: NAME( Dana8)
Help on See Also: See Also: Links to other databases for Agardite-(Ca) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Ecole des Mines de Paris
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info

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Agardite-(Ca)

CaCu6(AsO4)3(OH)6•3(H2O)
Dana No: 42.05.01.02d Strunz No: 08.DL.15
Locality:

 

Notes:

 

 
   
 


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