Joseite-B Mineral Data

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General Joseite-B Information

Chemical Formula:

Bi4(S,Te)3

Composition:

Molecular Weight = 1,003.77 gm

Bismuth 83.28 % Bi

Tellurium 9.53 % Te

Sulfur 7.19 % S

______

100.00 %

Empirical Formula:

Bi₄S_2.25Te_0.75

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

Joseite-B Image

Images:

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

Joseite-B Crystallography

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 ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.16(1), 2.17(0.5), 2.3(0.4),

Physical Properties of Joseite-B

Cleavage:

{???} Perfect

Color:

Silver white.

Density:

8.3

Diaphaneity:

Opaque

Fracture:

Flexible - Flexible fragments.

Hardness:

2 - Gypsum

Luster:

Metallic

Optical Properties of Joseite-B

RL Anisotrophism:

Distinct, gray to dark brown.

RL Color:

Creamy white.

Calculated Properties of Joseite-B

Electron Density:

Bulk Density (Electron Density)=6.09 gm/cc
note: Specific Gravity of Joseite-B =7.51 gm/cc.

Fermion Index:

Fermion Index = 0.0081576246
Boson Index = 0.9918423754

Photoelectric:

PE_Joseite-B=1,689.13 barns/electron
U=PE_Joseite-B x rElectron Density=10287.08 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Joseite-B is Not Radioactive

Joseite-B Classification

Dana Class:

02.06.02.02 (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)

02.06.02.01 Joseite Bi4(S,Te)3 R 3m 3 2/m

02.06.02.02 Joseite-B Bi4(S,Te)3 R 3m 3 2/m

02.06.02.03 Ikunolite Bi4(S,Se)3 R 3m 3 2/m

02.06.02.04 Laitakarite Bi4(Se,S)3 R 3m 3 2/m

02.06.02.05 Pilsenite Bi4Te3 R 3m 3 2/m

02.06.02.06 Poubaite PbBi2Se2(Te,S)2 R 3m 3 2/m

02.06.02.07 Rucklidgeite (Bi,Pb)3Te4 R 3m 3 2/m

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

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

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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Ask about Joseite-B here :
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Print or Cut-and-Paste your Joseite-B Specimen Label here :

Joseite-B

Bi4(S,Te)3
Dana No: 02.06.02.02 Strunz No: 02.DC.05d
Locality:

Notes: