Mineralogy Database

Clinochalcomenite Mineral Data

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General Clinochalcomenite Information

Help on Chemical  Formula: Chemical Formula: CuSeO3•2(H2O)
Help on Composition: Composition: Molecular Weight = 226.53 gm
   Copper    28.05 %  Cu   35.11 % CuO
   Hydrogen   1.78 %  H    15.91 % H2O
   Selenium  34.86 %  Se   48.98 % SeO2
   Oxygen    35.31 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu(SeO3)•2(H2O)
Help on Environment: Environment: Secondary mineral in the oxidized zone of a uranium deposit in brecciated carbonaceous slate. Dimorphous with chalcomenite.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Undisclosed locality in Gansu Province, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the monoclinic dimorph of chalcomenite.

Clinochalcomenite Image

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Comments: Blue-green crystalline coating of clinochalcomenite on sulfide ore.
Location: Mina El Dragon, Potosi, Bolivia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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  Kerstenite   Clinochalcomenite   Krutaite

Comments: Tan opaque fibrous kerstenite with possible blue clinochalcomenite on dark krutaite.
Location: Mina El Dragon, Potosi, Bolivia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Clinochalcomenite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9495:1:0.7304
Help on Cell Dimensions: Cell Dimensions: a = 8.177, b = 8.611, c = 6.29, Z = 4; beta = 97.267° V = 439.33 Den(Calc)= 3.42
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.89(1), 3.66(0.9), 2.926(0.8),

Physical Properties of Clinochalcomenite

Help on Cleavage: Cleavage: {110} Perfect
Help on Color: Color: Bluish green.
Help on Density: Density: 3.28
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light green

Optical Properties of Clinochalcomenite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.05 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.007 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2108,KPDmeas= 0.2198,KC= 0.2093
Ncalc = 1.69 - 1.72
Help on Optical Data: Optical Data: Biaxial (-), a=1.675, b=1.723, g=1.765, bire=0.0900, 2V(Calc)=82, 2V(Meas)=78.

Calculated Properties of Clinochalcomenite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.23 gm/cc
note: Specific Gravity of Clinochalcomenite =3.42 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEClinochalcomenite = 38.53 barns/electron
U=PEClinochalcomenite x rElectron Density= 124.49 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Clinochalcomenite is Not Radioactive

Clinochalcomenite Classification

Help on  Dana Class: Dana Class: (34)Selenites - Tellurites - Sulfites
  (34.02)as A++ XO3 � x(H2O)
  (34.02.03)Chalcomenite Group (Monoclinic) Clinochalcomenite CuSeO3•2(H2O) P 21/n 2/m Cobaltomenite CoSeO3•2(H2O) P 21/n 2/m Ahlfeldite (Ni,Co)SeO3•2(H2O) P 21/m 2/m
Help on  Strunz Class: Strunz Class: 04.JH.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JH -Selenites without additional anions, with H2O
04.JH.10 Ahlfeldite (Ni,Co)SeO3•2(H2O) P 21/m 2/m
04.JH.10 Clinochalcomenite CuSeO3•2(H2O) P 21/n 2/m
04.JH.10 Cobaltomenite CoSeO3•2(H2O) P 21/n 2/m

Other Clinochalcomenite Information

Help on References: References: NAME( AntBidBlaNic5) 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 Clinochalcomenite :
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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Dana No: Strunz No: 04.JH.10





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