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Arsendescloizite Mineral Data

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General Arsendescloizite Information

Help on Chemical  Formula: Chemical Formula: PbZn(AsO4)(OH)
Help on Composition: Composition: Molecular Weight = 428.52 gm
   Zinc      15.26 %  Zn   18.99 % ZnO
   Arsenic   17.48 %  As   26.82 % As2O5
   Hydrogen   0.24 %  H     2.10 % H2O
   Lead      48.35 %  Pb   52.09 % PbO
   Oxygen    18.67 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbZn(AsO4)(OH)
Help on Environment: Environment: Occurs as a secondary mineral in oxidized hydrothermal polymetallic deposits.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: From Tsumeb, Namibia. In the Gejiu Pb-Zn deposit, not otherwise located, China. From the Toroku mine, Miyazaki Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: As the arsenate analog of "descloizite."
Help on Name Pronunciation: Name Pronunciation: Arsendescloizite + Pronunciation Say ARSENDESCLOIZITE
 

Arsendescloizite Image

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  Arsendescloizite

Comments: Spherical aggregates of arsendescloizite crystals.
Location: Tsumeb mine, Tsumeb, Namibia. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Arsendescloizite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.6491:1:0.8157
Help on Cell Dimensions: Cell Dimensions: a = 6.075, b = 9.358, c = 7.634, Z = 4; V = 433.99 Den(Calc)= 6.56
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): 2.88(1), 3.23(1), 2.6(0.8),
 

Physical Properties of Arsendescloizite

Help on Cleavage: Cleavage: None
Help on Color: Color: Light yellow, Dark green.
Help on Density: Density: 6.57
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Subadamantine
Help on Streak: Streak: white
 

Optical Properties of Arsendescloizite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.034 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.036 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1552,KPDmeas= 0.155,KC= 0.1499
Ncalc = 1.98
Help on Optical Data: Optical Data: Biaxial (-), a=1.99, b=2.03, g=2.035, bire=0.0450, 2V(Calc)=38, 2V(Meas)=30.
 

Calculated Properties of Arsendescloizite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.70 gm/cc
note: Specific Gravity of Arsendescloizite =6.57 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.11
Boson Index = 0.89
Help on Photoelectric: Photoelectric: PEArsendescloizite = 876.47 barns/electron
U=PEArsendescloizite x rElectron Density=4,998.96 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Arsendescloizite is Not Radioactive
 

Arsendescloizite Classification

Help on  Dana Class: Dana Class: 41.05.01.09 (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 Arsendescloizite 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 Arsendescloizite :
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
15 - WWW-MINCRYST

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Arsendescloizite

PbZn(AsO4)(OH)
Dana No: 41.05.01.09 Strunz No: 08.BH.35
Locality:

 

Notes:

 

 
   
 


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