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Austinite Mineral Data

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General Austinite Information

Help on Chemical  Formula: Chemical Formula: CaZn(AsO4)(OH)
Help on Composition: Composition: Molecular Weight = 261.39 gm
   Calcium   15.33 %  Ca   21.45 % CaO
   Zinc      25.02 %  Zn   31.14 % ZnO
   Arsenic   28.66 %  As   43.96 % As2O5
   Hydrogen   0.39 %  H     3.45 % H2O
   Oxygen    30.60 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaZn(AsO4)(OH)
Help on Environment: Environment: A rare secondary mineral in the oxidized zone of some arsenic-rich base-metal deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1935
Help on Locality: Locality: In the USA, in the Western Utah mine, Gold Hill, Tooele Co., Utah; at the Mohawk mine, Clark Mountains, San Bernardino Co., California; from the Table Mountain mine, Galiuro Mountains, Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: To honor Professor Austin Flint Rogers (1877-1957), American mineralogist, Stanford University, Palo Alto, California, USA.
Help on Name Pronunciation: Name Pronunciation: Austinite + Pronunciation Say AUSTINITE
Help on Synonym: Synonym: ICSD 63285
  PDF 37-445
 

Austinite Image

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  Austinite

Comments: Green, spherulitic clusters of austinite crystals.
Location: Gold Hill mine, Deep Creek Mts., Tooele County, Utah, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Austinite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8303:1:0.6561
Help on Cell Dimensions: Cell Dimensions: a = 7.5092, b = 9.0438, c = 5.9343, Z = 4; V = 403.01 Den(Calc)= 4.31
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): 2.637(1), 2.801(1), 3.171(1),
Help on Forms: Forms:

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Help on Above

Forms: ( 1 1 0) ( 1 1 1)

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Physical Properties of Austinite

Help on Cleavage: Cleavage: {110} Good
Help on Color: Color: Brown, Colorless, Green, Yellowish white, White.
Help on Density: Density: 4.13
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Hardness: Hardness: 4-4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Subadamantine
Help on Streak: Streak: white
 

Optical Properties of Austinite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.05 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.006 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1783,KPDmeas= 0.186,KC= 0.1772
Ncalc = 1.73 - 1.76
Help on Optical Data: Optical Data: Biaxial (+), a=1.759, b=1.763, g=1.783, bire=0.0240, 2V(Calc)=50, 2V(Meas)=47.
 

Calculated Properties of Austinite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.09 gm/cc
note: Specific Gravity of Austinite =4.31 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEAustinite = 34.14 barns/electron
U=PEAustinite x rElectron Density= 139.61 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Austinite is Not Radioactive
 

Austinite Classification

Help on  Dana Class: Dana Class: 41.05.01.03 (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 Austinite Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Austinite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - Franklin Minerals(Dunn)
7 - GeoScienceWorld
8 - Glendale Community College
9 - Google Images
10 - Google Scholar
11 - Handbook of Mineralogy (MinSocAm)
12 - Handbook of Mineralogy (UofA)
13 - MinDAT
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - WWW-MINCRYST

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

Austinite

CaZn(AsO4)(OH)
Dana No: 41.05.01.03 Strunz No: 08.BH.35
Locality:

 

Notes:

 

 
   
 


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