|
![Mineralogy Database Mineralogy Database](/images/Hedyphane_Crystal.gif) |
Cadmoselite Mineral Data
|
|
|
General Cadmoselite Information
|
Chemical Formula: |
CdSe |
Composition: |
Molecular Weight = 191.37 gm |
|
Cadmium 58.74 % Cd |
|
Selenium 41.26 % Se |
|
______ |
|
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 |
|
PDF 8-459 |
|
Cadmoselite Image |
Images:
|
|
Cadmoselite Crystallography
|
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), |
|
Physical Properties of Cadmoselite
|
Cleavage: |
{???} Perfect |
Color: |
Black. |
Density: |
5.663 |
Diaphaneity: |
Translucent to Opaque |
Hardness: |
4 - Fluorite |
Luster: |
Adamantine - Resinous |
Streak: |
black |
|
Optical Properties of Cadmoselite
|
RL Anisotrophism: |
Weak. |
RL Color: |
Light gray in air, slightly brown in oil with brownish internal reflections. |
|
Calculated Properties of Cadmoselite
|
Electron Density: |
Bulk Density (Electron Density)=4.94 gm/cc note: Specific Gravity of Cadmoselite =5.77 gm/cc. |
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. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Cadmoselite is Not Radioactive |
|
Cadmoselite Classification
|
Dana Class: |
02.08.07.03 (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) |
|
02.08.07.01 Wurtzite (Zn,Fe)S P 63mc 6mm |
|
02.08.07.02 Greenockite CdS P 63mc 6mm |
|
02.08.07.03 Cadmoselite CdSe P 63mc 6mm |
|
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 |
|
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
|
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
Search for Cadmoselite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Cadmoselite :
Ask about Cadmoselite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in
Espaņol
Print or Cut-and-Paste your Cadmoselite Specimen Label here :
Cadmoselite
CdSe
Dana No: 02.08.07.03 Strunz No: 02.CB.45
Locality:
Notes:
|
|
|
|
|
|
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.