General Joseite Information Chemical Formula: |
Bi4(S,Te)3 |
Composition: |
Molecular Weight = 1,003.77 gm |
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Bismuth 83.28 % Bi |
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Tellurium 9.53 % Te |
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Sulfur 7.19 % S |
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100.00 % |
Empirical Formula: |
Bi4S2.25Te0.75 |
Environment: |
In granular limestone. |
IMA Status: |
Valid Species (Pre-IMA) 1853 |
Locality: |
From San Jose, near Marianna, Minas Gerais, Brazil. Link to MinDat.org Location Data. |
Name Origin: |
For the locality at San Jose in Brazil. |
Name Pronunciation: |
Joseite |
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Images:
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Joseite Crystallography Axial Ratios: |
a:c = 1:9.35764 |
Cell Dimensions: |
a = 4.25, c = 39.77, Z = 3; V = 622.11 Den(Calc)= 8.04 |
Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m |
X Ray Diffraction: |
By Intensity(I/Io): 3.08(1), 2.11(0.5), 2.24(0.5), |
| Physical Properties of Joseite Color: |
Gray, Grayish black. |
Density: |
8.1 |
Diaphaneity: |
Opaque |
Hardness: |
2 - Gypsum |
Luster: |
Metallic |
| Optical Properties of Joseite RL Anisotrophism: |
Nearly isotropic in basal sections, else moderately anisotropic greenish gray to dark greenish gray. |
RL Color: |
White. |
Reflectivity |
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| Calculated Properties of Joseite Electron Density: |
Bulk Density (Electron Density)=6.52 gm/cc |
note: Specific Gravity of Joseite =8.04 gm/cc. Fermion Index: |
Fermion Index = 0.0081576246 |
Boson Index = 0.9918423754 Photoelectric: |
PEJoseite =1,689.13 barns/electron |
U=PEJoseite x rElectron Density=11013.07 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Joseite is Not Radioactive | Joseite Classification Dana Class: |
02.06.02.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.06)where Am Bn Xp, with (m+n):p=4:3 |
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(02.06.02)Joseite Group (Trigonal: R-3m) |
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Strunz Class: |
02.DC.05d 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.D - Metal Sulfides, M:S = 3:4 and 2:3 |
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02.DC -Variable M:S |
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| Other Joseite Information References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
Links to other databases for Joseite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (UofA) 7 - MinDAT 8 - Mineralienatlas (Deutsch) 9 - Online Mineral Museum 10 - QUT Mineral Atlas 11 - Ruff.Info Search for Joseite using: Visit our Advertisers for Joseite : A Bijoux Google Search for JoseiteAdam's Minerals Google Search for Joseite Cape Minerals Google Search for Joseite Dakota Matrix Minerals Google Search for Joseite Excalibur Mineral Corp. Google Search for Joseite Exceptional Minerals Google Search for Joseite John Betts Fine Minerals Search for Joseite McDougall Minerals Google Search for Joseite Mineral News Website Link Rock and Mineral Shows Google Search for Joseite Weinrich Minerals, Inc. Google Search for Joseite Ask about Joseite here : Print or Cut-and-Paste your Joseite Specimen Label here :
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