| Cervelleite Mineral Data |
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- 2.4.2.1 Hessite Ag2Te P 21/c 2/m
- 2.4.2.2 Cervelleite Ag4TeS Unk Cubic
- II/B.05-02 Argentite* Ag2S I m3m 4/m 3 2/m
- II/B.05-10 Acanthite Ag2S P 21/n 2/m
- II/B.05-30 Naumannite Ag2Se P 212121 2 2 2
- II/B.05-35 Kurilite* (Ag,Au)2(Te,Se,S) P m3n,P 43n Cubic
- II/B.05-40 Hessite Ag2Te P 21/c 2/m
- II/B.05-50 Aguilarite Ag4SeS P 212121 2 2 2
- II/B.05-60 Cervelleite Ag4TeS Unk Cubic
- II/B.05-70 Benleonardite Ag8(Sb,As)Te2S3 Tetra Tetra
- II/B.05-75 Tsnigriite Ag9SbTe3(S,Se)3 P 2/m,Pm Mono
- II/B.05-80 Stutzite Ag5-xTe3,(x=0.24-0.36) P 6/mmm 6/m 2/m 2/m
- II/B.05-90 Empressite AgTe Pmnb 2/m 2/m 2/m
General Cervelleite Information |
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 Chemical Formula: |
Ag4TeS | ||
| Composition: |
Molecular Weight = 591.14 gm | ||
| Silver 72.99 % Ag | |||
| Tellurium 21.59 % Te | |||
| Sulfur 5.42 % S | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Ag4TeS | ||
| Environment: |
Rimming acanthite. | ||
| IMA Status: |
Approved IMA 1989 | ||
| Locality: |
La Bambolla (Mina Moctezuma), mine Moctezuma, Sonora, Mexico. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Bernard Cervelle (1940-), French mineralogist. | ||
Search for Cervelleite Images | |||
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Images:
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Cervelleite Crystallography |
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| Cell Dimensions: |
a = 14.03, Z = 24; V = 2,761.68 Den(Calc)= 8.53 | ||
| Crystal System: |
IsometricSpace Group: Unk | ||
| X Ray Diffraction: |
By Intensity(I/Io): 5(1), 4.24(0.8), 6.29(0.6), | ||
Physical Properties of Cervelleite |
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| Cleavage: |
None | ||
| Color: |
Gray, Black. | ||
| Diaphaniety: |
Opaque | ||
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. | ||
| Hardness: |
1.5 - Between Talc and Gypsum | ||
| Luster: |
Metallic | ||
Calculated Properties of Cervelleite |
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| Electron Density: |
relectron=7.39 gm/cc |
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| Fermion Index |
Fermion Index = 0.01765 Boson Index = 0.98235 |
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| Photoelectric: |
PECervelleite = 268.83 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Cervelleite is Not Radioactive |
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Cervelleite Classification |
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| Dana Class: |
2.4.2.2 (2)Sulfides - Including Selenides and Tellurides | ||
| (2.4)where Am Bn Xp, with (m+n):p=2:1 | |||
| (2.4.2)Dana Group | |||
| Strunz Class: |
II/B.05-60 II - Sulfides and sulphosalts | ||
| II/B - Sulfides with metal: sulfur, selenium and tellurium > 1:1, Sulfides, Selenides and Tellurides with predominant Copper and Silver/Gold | |||
| II/B.05 - Achantite - Empresite series | |||
Other Cervelleite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.75,p1431,1990) | ||
| See Also: |
Links to other databases for Cervelleite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Cervelleite using: Visit our Advertisers for Cervelleite : AA Mineral SpecimensB & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Cervelleite Mineral Data : Ask about Cervelleite here : Print or Cut-and-Paste your Cervelleite Specimen Label here :
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