Koritnigite Mineral Data

Koritnigite Mineral Data
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General Koritnigite Information

Help on Chemical Formula: Chemical Formula: ZnHAsO4•(H2O)
Help on Composition: Composition: Molecular Weight = 223.33 gm
   Zinc      29.28 %  Zn   36.44 % ZnO
   Arsenic   33.55 %  As   51.46 % As2O5
   Hydrogen   1.35 %  H    12.10 % H2O
   Oxygen    35.82 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: ZnH(AsO4)•(H2O)
Help on Environment: Environment: Secondary mineral of the lower oxidation zone in a dolostone-hosted polymetallic hydrothermal ore deposit
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Tsumeb, Namibia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Sigmund Koritnig (1912-1984), petrologist, University of Gottingen, Gottingen, Germany.
Help on Name Pronunciation: Name Pronunciation: Koritnigite + Pronunciation Say KORITNIGITE
Help on Synonym: Synonym: ICSD 100581
  PDF 34-1396
 

Koritnigite Image

Click Here for Larger Koritnigite Image in a New Browser Window Images:
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Koritnigite

Comments: Translucent nearly colorless fragment of koritnigite.
Location: Tsumeb, Oshikoto, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Koritnigite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.5021:1:0.4212
Help on Cell Dimensions: Cell Dimensions: a = 7.948, b = 15.829, c = 6.668, Z = 8; alpha = 90.86°, beta = 96.56°, gamma = 90.05° V = 833.31 Den(Calc)= 3.56
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.9(1), 3.16(0.9), 3.83(0.7),
Click Here for Large Koritnigite Structure Window Crystal Structure:

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Keller P , Hess H , Riffel H , Neues Jahrbuch fur Mineralogie, Abhandlungen , 138 (1980) p.316-332, Die kristallstruktur von koritnigit, Zn[H2O|HOAsO3], Locality: Tsumeb, Namibia

 

Physical Properties of Koritnigite

Help on Cleavage: Cleavage: {010} Perfect
Help on Color: Color: Colorless.
Help on Density: Density: 3.54
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Koritnigite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.022 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.017 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1851,KPDmeas= 0.1862,KC= 0.1821
Ncalc = 1.64 - 1.65
Help on Optical Data: Optical Data: Biaxial (+), a=1.632, b=1.652, g=1.693, bire=0.0610, 2V(Calc)=72, 2V(Meas)=70.
 

Calculated Properties of Koritnigite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.38 gm/cc
note: Specific Gravity of Koritnigite =3.56 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEKoritnigite = 37.66 barns/electron
U=PEKoritnigite x rElectron Density= 127.28 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Koritnigite is Not Radioactive
 

Koritnigite Classification
Help on Dana Class: Dana Class: 39.01.04.01 (39)Hydrated Acid Phosphates, etc
  (39.01)A+ [HXO4] · x(H2O)
  (39.01.04)Dana Group
 
39.01.04.01 Koritnigite ZnHAsO4•(H2O) P1 1
 
39.01.04.02 Cobaltkoritnigite (Co,Zn)(AsO3OH)•(H2O) P1 1
Help on Strunz Class: Strunz Class: 08.CB.20 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CB -With only medium-sized cations, RO4:H2O = 1:1
 
08.CB.20 Cobaltkoritnigite (Co,Zn)(AsO3OH)•(H2O) P1 1
 
08.CB.20 Koritnigite ZnHAsO4•(H2O) P1 1
 

Other Koritnigite 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 Koritnigite :
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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Print or Cut-and-Paste your Koritnigite Specimen Label here :

Koritnigite

ZnHAsO4•(H2O)
Dana No: 39.01.04.01 Strunz No: 08.CB.20
Locality:

 

Notes: