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Joseite-B Mineral Data
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General Joseite-B Information
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 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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______ |
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100.00 % |
| Empirical Formula: |
Bi4S2.25Te0.75 |
| Environment: |
In quartz and skarn. |
| IMA Status: |
Valid Species (Pre-IMA) 1949 |
| Locality: |
From Glacier Gulch, Hudson Bay Mountain, near Smithers. Link to MinDat.org Location Data. |
| Name Origin: |
For the relationship to joseite; "B" to distinguish it from joseite, formerly joseite-A. |
| Name Pronunciation: |
Joseite-B  |
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Joseite-B Image |
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Images:
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Joseite-B
Comments: Steel gray, metallic, platy Joseite-β in quartz matrix.
Location: Jakub Mine, Kasejovice, Bohemia, Czech Republic.
Scale: Picture Size 5x2 cm.
© Diederik Visser |
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Joseite-B Crystallography
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| Axial Ratios: |
a:c = 1:9.40783 |
| Cell Dimensions: |
a = 4.34, c = 40.83, Z = 3; V = 666.02 Den(Calc)= 7.51 |
| Crystal System: |
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m |
| X Ray Diffraction: |
By Intensity(I/Io): 3.16(1), 2.17(0.5), 2.3(0.4), |
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Physical Properties of Joseite-B
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| Cleavage: |
{???} Perfect |
| Color: |
Silver white. |
| Density: |
8.3 |
| Diaphaneity: |
Opaque |
| Fracture: |
Flexible - Flexible fragments. |
| Hardness: |
2 - Gypsum |
| Luster: |
Metallic |
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Optical Properties of Joseite-B
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| RL Anisotrophism: |
Distinct, gray to dark brown. |
| RL Color: |
Creamy white. |
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Calculated Properties of Joseite-B
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| Electron Density: |
Bulk Density (Electron Density)=6.09 gm/cc
note: Specific Gravity of Joseite-B =7.51 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0081576246
Boson Index = 0.9918423754 |
| Photoelectric: |
PEJoseite-B =1,689.13 barns/electron
U=PEJoseite-B x rElectron Density=10287.08 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Joseite-B is Not Radioactive |
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Joseite-B Classification
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| Dana Class: |
02.06.02.02 (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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02.06.02.01 Joseite Bi4(S,Te)3 R 3m 3 2/m |
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02.06.02.02 Joseite-B Bi4(S,Te)3 R 3m 3 2/m |
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02.06.02.03 Ikunolite Bi4(S,Se)3 R 3m 3 2/m |
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02.06.02.04 Laitakarite Bi4(Se,S)3 R 3m 3 2/m |
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02.06.02.05 Pilsenite Bi4Te3 R 3m 3 2/m |
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02.06.02.06 Poubaite PbBi2Se2(Te,S)2 R 3m 3 2/m |
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02.06.02.07 Rucklidgeite (Bi,Pb)3Te4 R 3m 3 2/m |
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02.06.02.08 Babkinite! Pb2Bi2(S,Se)3 P 3,P 3m Trig |
| 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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02.DC.05d Laitakarite Bi4(Se,S)3 R 3m 3 2/m |
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02.DC.05d Ikunolite Bi4(S,Se)3 R 3m 3 2/m |
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02.DC.05d Joseite Bi4(S,Te)3 R 3m 3 2/m |
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02.DC.05d Joseite-B Bi4(S,Te)3 R 3m 3 2/m |
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02.DC.05d Pilsenite Bi4Te3 R 3m 3 2/m |
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Other Joseite-B 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 Joseite-B :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info
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Print or Cut-and-Paste your Joseite-B Specimen Label here :
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Joseite-B
Bi4(S,Te)3
Dana No: 02.06.02.02 Strunz No: 02.DC.05d
Locality:
Notes:
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