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Cobaltaustinite Mineral Data

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General Cobaltaustinite Information

Help on Chemical  Formula: Chemical Formula: CaCo(AsO4)(OH)
Help on Composition: Composition: Molecular Weight = 254.94 gm
   Calcium   15.72 %  Ca   22.00 % CaO
   Cobalt    23.12 %  Co   29.39 % CoO
   Arsenic   29.39 %  As   45.08 % As2O5
   Hydrogen   0.40 %  H     3.53 % H2O
   Oxygen    31.38 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaCo(AsO4)(OH)
Help on Environment: Environment: Rare secondary mineral in the oxidized zone of a copper deposit, an alteration product of arsenides.
Help on IMA Status: IMA Status: Approved IMA 1988
Help on Locality: Locality: Dome Rock copper mine, about 40 km northwest of Mingary, South Australia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its content of cobalt and similarity to austinite.
 

Cobaltaustinite Image

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  Cobaltaustinite

Comments: Green, tabular crystal of cobaltaustinite.
Location: Rappold Mine, Neust├Ądtel, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Cobaltaustinite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8324:1:0.768
Help on Cell Dimensions: Cell Dimensions: a = 7.5, b = 9.01, c = 6.92, Z = 4; V = 467.62 Den(Calc)= 3.62
Help on Crystal System: Crystal System: Orthorhombic - Disphenoidal H-M Symbol (2 2 2) Space Group: P 212121
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.609(1), 3.159(1), 2.633(0.8),
 

Physical Properties of Cobaltaustinite

Help on Cleavage: Cleavage: None
Help on Color: Color: Green.
Help on Diaphaneity: Diaphaneity: Translucent
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: light green
 

Optical Properties of Cobaltaustinite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.186 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2181,KC= 0.1838
Ncalc = 1.67
Help on Optical Data: Optical Data: Biaxial (+), a=1.777, g=1.802, bire=0.0250
 

Calculated Properties of Cobaltaustinite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.44 gm/cc
note: Specific Gravity of Cobaltaustinite =3.62 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0003634419
Boson Index = 0.9996365581
Help on Photoelectric: Photoelectric: PECobaltaustinite = 30.04 barns/electron
U=PECobaltaustinite x rElectron Density= 103.23 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cobaltaustinite is Not Radioactive
 

Cobaltaustinite Classification

Help on  Dana Class: Dana Class: 41.05.01.08 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.05)where (A B)2 (XO4) Zq
  (41.05.01)Adelite Group
 
41.05.01.01 Adelite CaMg(AsO4)(OH) P 212121 2 2 2
 
41.05.01.02 Conichalcite CaCu(AsO4)(OH) P 212121 2 2 2
 
41.05.01.03 Austinite CaZn(AsO4)(OH) P 212121 2 2 2
 
41.05.01.04 Duftite-beta? PbCu(AsO4)(OH) P 212121 2 2 2
 
41.05.01.05 Gabrielsonite PbFe(AsO4)(OH) P 21m mm2
 
41.05.01.06 Tangeite CaCu(VO4)(OH) P 212121 2 2 2
 
41.05.01.07 Nickelaustinite Ca(Ni,Zn)(AsO4)(OH) P 212121 2 2 2
 
41.05.01.08 Cobaltaustinite CaCo(AsO4)(OH) P 212121 2 2 2
 
41.05.01.09 Arsendescloizite PbZn(AsO4)(OH) P 212121 2 2 2
 
41.05.01.10 Gottlobite! CaMg(VO4,AsO4)(OH) P 212121 2 2 2
Help on  Strunz Class: Strunz Class: 08.BH.35 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BH -With medium-sized and large cations, (OH,etc.):RO4 = 1:1
 
08.BH.35 Austinite CaZn(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Adelite CaMg(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Arsendescloizite PbZn(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Duftite-alpha PbCu(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Duftite-beta? PbCu(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Cobaltaustinite CaCo(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Conichalcite CaCu(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Gabrielsonite PbFe(AsO4)(OH) P 21m mm2
 
08.BH.35 Nickelaustinite Ca(Ni,Zn)(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Tangeite CaCu(VO4)(OH) P 212121 2 2 2
 
08.BH.35 Gottlobite! CaMg(VO4,AsO4)(OH) P 212121 2 2 2
 

Other Cobaltaustinite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Am.Min.,Vol.74,p501,1989) OPTIC PROP.(Am.Min.,Vol.74,p501,1989)
Help on See Also: See Also: Links to other databases for Cobaltaustinite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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

Cobaltaustinite

CaCo(AsO4)(OH)
Dana No: 41.05.01.08 Strunz No: 08.BH.35
Locality:

 

Notes:

 

 
   
 


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