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Cadmoselite Mineral Data
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General Cadmoselite Information
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 Chemical Formula: |
CdSe |
| Composition: |
Molecular Weight = 191.37 gm |
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Cadmium 58.74 % Cd |
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Selenium 41.26 % Se |
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______ |
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100.00 % |
| Empirical Formula: |
CdSe |
| Environment: |
In sedimentary strata, under reducing secondary conditions of medium to high alkalinity. |
| IMA Status: |
Valid Species (Pre-IMA) 1957 |
| Locality: |
From the Givetian sedimentary formations, locality not otherwise defined, Tuva ASSR, USSR. Link to MinDat.org Location Data. |
| Name Origin: |
For the presence of cadmium and selenium. |
| Name Pronunciation: |
Cadmoselite + Pronunciation  |
| Synonym: |
ICSD 60630 |
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PDF 8-459 |
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Cadmoselite Image |
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Images:
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Cadmoselite Crystallography
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| Axial Ratios: |
a:c = 1:1.6317 |
| Cell Dimensions: |
a = 4.271, c = 6.969, Z = 2; V = 110.09 Den(Calc)= 5.77 |
| Crystal System: |
Hexagonal - Dihexagonal Pyramidal H-M Symbol (6mm) Space Group: P 63mc |
| X Ray Diffraction: |
By Intensity(I/Io): 3.72(1), 2.15(0.85), 3.29(0.75), |
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Physical Properties of Cadmoselite
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| Cleavage: |
{???} Perfect |
| Color: |
Black. |
| Density: |
5.663 |
| Diaphaneity: |
Translucent to Opaque |
| Hardness: |
4 - Fluorite |
| Luster: |
Adamantine - Resinous |
| Streak: |
black |
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Optical Properties of Cadmoselite
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| RL Anisotrophism: |
Weak. |
| RL Color: |
Light gray in air, slightly brown in oil with brownish internal reflections. |
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Calculated Properties of Cadmoselite
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| Electron Density: |
Bulk Density (Electron Density)=4.94 gm/cc
note: Specific Gravity of Cadmoselite =5.77 gm/cc.
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| Fermion Index: |
Fermion Index = 0.17
Boson Index = 0.83 |
| Photoelectric: |
PECadmoselite = 198.93 barns/electron
U=PECadmoselite x rElectron Density= 983.68 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cadmoselite is Not Radioactive |
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Cadmoselite Classification
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| Dana Class: |
02.08.07.03 (02)Sulfides - Including Selenides and Tellurides |
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(02.08)where Am Bn Xp, with (m+n):p=1:1 |
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(02.08.07)Wurtzite Group (Hexagonal: P63mc) |
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02.08.07.01 Wurtzite (Zn,Fe)S P 63mc 6mm |
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02.08.07.02 Greenockite CdS P 63mc 6mm |
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02.08.07.03 Cadmoselite CdSe P 63mc 6mm |
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02.08.07.04 Rambergite! MnS P 63mc 6mm |
| Strunz Class: |
02.CB.45 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.C - Metal Sulfides, M:S = 1:1 (and similar) |
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02.CB -With Zn, Fe, Cu, Ag, Au, etc |
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02.CB.45 Cadmoselite CdSe P 63mc 6mm |
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02.CB.45 Greenockite CdS P 63mc 6mm |
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02.CB.45 Rambergite! MnS P 63mc 6mm |
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02.CB.45 Wurtzite (Zn,Fe)S P 63mc 6mm |
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Other Cadmoselite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| 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
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Cadmoselite Specimen Label here :
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Cadmoselite
CdSe
Dana No: 02.08.07.03 Strunz No: 02.CB.45
Locality:
Notes:
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