Mineralogy Database

Cadmoselite Mineral Data

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General Cadmoselite Information

Help on Chemical  Formula: Chemical Formula: CdSe
Help on Composition: Composition: Molecular Weight = 191.37 gm
   Cadmium   58.74 %  Cd
   Selenium  41.26 %  Se
            100.00 % 
Help on Empirical Formula: Empirical Formula: CdSe
Help on Environment: Environment: In sedimentary strata, under reducing secondary conditions of medium to high alkalinity.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1957
Help on Locality: Locality: From the Givetian sedimentary formations, locality not otherwise defined, Tuva ASSR, USSR. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the presence of cadmium and selenium.
Help on Name Pronunciation: Name Pronunciation: Cadmoselite + Pronunciation Say CADMOSELITE
Help on Synonym: Synonym: ICSD 60630
  PDF 8-459

Cadmoselite Image

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Comments: Black cadmoselite grains in quartz.
Location: Republic of Tuva, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cadmoselite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.6317
Help on Cell Dimensions: Cell Dimensions: a = 4.271, c = 6.969, Z = 2; V = 110.09 Den(Calc)= 5.77
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal Pyramidal H-M Symbol (6mm) Space Group: P 63mc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.72(1), 2.15(0.85), 3.29(0.75),

Physical Properties of Cadmoselite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Black.
Help on Density: Density: 5.663
Help on Diaphaneity: Diaphaneity: Translucent to Opaque
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Adamantine - Resinous
Help on Streak: Streak: black

Optical Properties of Cadmoselite

Help on RL Anisotrophism: RL Anisotrophism: Weak.
Help on RL Color: RL Color: Light gray in air, slightly brown in oil with brownish internal reflections.

Calculated Properties of Cadmoselite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.94 gm/cc
note: Specific Gravity of Cadmoselite =5.77 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.17
Boson Index = 0.83
Help on Photoelectric: Photoelectric: PECadmoselite = 198.93 barns/electron
U=PECadmoselite x rElectron Density= 983.68 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cadmoselite is Not Radioactive

Cadmoselite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.08)where Am Bn Xp, with (m+n):p=1:1
  (02.08.07)Wurtzite Group (Hexagonal: P63mc) Wurtzite (Zn,Fe)S P 63mc 6mm Greenockite CdS P 63mc 6mm Cadmoselite CdSe P 63mc 6mm Rambergite! MnS P 63mc 6mm
Help on  Strunz Class: Strunz Class: 02.CB.45 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CB -With Zn, Fe, Cu, Ag, Au, etc
02.CB.45 Cadmoselite CdSe P 63mc 6mm
02.CB.45 Greenockite CdS P 63mc 6mm
02.CB.45 Rambergite! MnS P 63mc 6mm
02.CB.45 Wurtzite (Zn,Fe)S P 63mc 6mm

Other Cadmoselite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Cadmoselite :
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: 02.CB.45





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