Mineralogy Database

Joseite-B Mineral Data

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General Joseite-B Information

Help on Chemical  Formula: Chemical Formula: Bi4(S,Te)3
Help on Composition: Composition: Molecular Weight = 1,003.77 gm
   Bismuth    83.28 %  Bi
   Tellurium   9.53 %  Te
   Sulfur      7.19 %  S
             100.00 % 
Help on Empirical Formula: Empirical Formula: Bi4S2.25Te0.75
Help on Environment: Environment: In quartz and skarn.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1949
Help on Locality: Locality: From Glacier Gulch, Hudson Bay Mountain, near Smithers. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the relationship to joseite; "B" to distinguish it from joseite, formerly joseite-A.
Help on Name Pronunciation: Name Pronunciation: Joseite-B Say JOSEITE-B

Joseite-B Image

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Comments: Steel gray, metallic, platy Joseite-β in quartz matrix.
Location: Jakub Mine, Kasejovice, Bohemia, Czech Republic. Scale: Picture Size 5x2 cm.
© Diederik Visser

Joseite-B Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:9.40783
Help on Cell Dimensions: Cell Dimensions: a = 4.34, c = 40.83, Z = 3; V = 666.02 Den(Calc)= 7.51
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.16(1), 2.17(0.5), 2.3(0.4),

Physical Properties of Joseite-B

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Silver white.
Help on Density: Density: 8.3
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Flexible - Flexible fragments.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Metallic

Optical Properties of Joseite-B

Help on RL Anisotrophism: RL Anisotrophism: Distinct, gray to dark brown.
Help on RL Color: RL Color: Creamy white.

Calculated Properties of Joseite-B

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.09 gm/cc
note: Specific Gravity of Joseite-B =7.51 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0081576246
Boson Index = 0.9918423754
Help on Photoelectric: Photoelectric: PEJoseite-B =1,689.13 barns/electron
U=PEJoseite-B x rElectron Density=10287.08 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Joseite-B is Not Radioactive

Joseite-B Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.06)where Am Bn Xp, with (m+n):p=4:3
  (02.06.02)Joseite Group (Trigonal: R-3m) Joseite Bi4(S,Te)3 R 3m 3 2/m Joseite-B Bi4(S,Te)3 R 3m 3 2/m Ikunolite Bi4(S,Se)3 R 3m 3 2/m Laitakarite Bi4(Se,S)3 R 3m 3 2/m Pilsenite Bi4Te3 R 3m 3 2/m Poubaite PbBi2Se2(Te,S)2 R 3m 3 2/m Rucklidgeite (Bi,Pb)3Te4 R 3m 3 2/m Babkinite! Pb2Bi2(S,Se)3 P 3,P 3m Trig
Help on  Strunz Class: Strunz Class: 02.DC.05d 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.D - Metal Sulfides, M:S = 3:4 and 2:3
  02.DC -Variable M:S
02.DC.05d Laitakarite Bi4(Se,S)3 R 3m 3 2/m
02.DC.05d Ikunolite Bi4(S,Se)3 R 3m 3 2/m
02.DC.05d Joseite Bi4(S,Te)3 R 3m 3 2/m
02.DC.05d Joseite-B Bi4(S,Te)3 R 3m 3 2/m
02.DC.05d Pilsenite Bi4Te3 R 3m 3 2/m

Other Joseite-B Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: 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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Dana No: Strunz No: 02.DC.05d





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