Pilsenite Mineral Data

General Pilsenite Information

Chemical Formula:

Bi4Te3

Composition:

Molecular Weight = 1,218.72 gm

Bismuth 68.59 % Bi

Tellurium 31.41 % Te

______

100.00 %

Empirical Formula:

Bi₄Te₃

Environment:

Of hydrothermal origin. Interlyered with hessonite.

IMA Status:

Valid Species (Pre-IMA) 1853

Locality:

Deutsch Pilsen ( Nagybörzsöny), Hungary Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Pilsenite + Pronunciation

Synonym:

ICSD 30526

PDF 33-216

Pilsenite Image

Images:

Pilsenite

Comments: Silvery metallic pilsenite veinlets in quartz.
Location: Near Hope, British Columbia, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Pilsenite Crystallography

Axial Ratios:

a:c = 1:9.43319

Cell Dimensions:

a = 4.446, c = 41.94, Z = 3; V = 717.96 Den(Calc)= 8.46

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): 3.25(1), 2.36(0.7), 2.22(0.55),

Crystal Structure:

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Yamana K , Kihara K , Matsumoto T , Acta Crystallographica, Section B , 35 (1979) p.147-149, Bismuth tellurides: BiTe and Bi4Te3, Locality: synthetic, Note: anisoB s from ICSD

Physical Properties of Pilsenite

Cleavage:

{???} Perfect

Color:

Steel gray, Tin white.

Density:

8.41

Diaphaneity:

Opaque

Hardness:

1.5-2.5 - Hardness very near Gypsum

Luster:

Metallic

Optical Properties of Pilsenite

RL Anisotrophism:

Noticeable.

Calculated Properties of Pilsenite

Electron Density:

Bulk Density (Electron Density)=6.78 gm/cc
note: Specific Gravity of Pilsenite =8.46 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_Pilsenite=1,498.58 barns/electron
U=PE_Pilsenite x rElectron Density=10153.05 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Pilsenite is Not Radioactive

Pilsenite Classification

Dana Class:

02.06.02.05 (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 Pilsenite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Pilsenite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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

Pilsenite

Bi4Te3
Dana No: 02.06.02.05 Strunz No: 02.DC.05d
Locality:

Notes: