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Tellurobismuthite

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Formula:
Bi2Te3
System:
Trigonal
Colour:
Lead-grey
Lustre:
Metallic
Hardness:
1½ - 2
Name:
The name reflects its composition: tellurium and bismuth.

Classification of Tellurobismuthite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
2.DC.05

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
C : Variable M:S
2.11.7.2

2 : SULFIDES
11 : AmBnXp, with (m+n):p = 2:3
3.7.24

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
7 : Sulphides etc. of V, As, Sb and Bi
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Type Occurrence of Tellurobismuthite

Year of Discovery:
1815

Physical Properties of Tellurobismuthite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Lead-grey
Streak:
Pale lead-gray
Hardness (Mohs):
1½ - 2

Crystallography of Tellurobismuthite

Crystal System:
Trigonal
Cell Parameters:
a = 4.43Å, c = 29.91Å
Ratio:
a:c = 1 : 6.752
Unit Cell Volume:
V 508.34 ų (Calculated from Unit Cell)

Chemical Properties of Tellurobismuthite

Formula:
Bi2Te3
Essential elements:
All elements listed in formula:
Common Impurities:
S

Relationship of Tellurobismuthite to other Species

Series:
Forms a series with Tellurantimony (see here)
2.DC.05HedleyiteBi7Te3
2.DC.05IkunoliteBi4(S,Se)3
2.DC.05IngoditeBi2TeS
2.DC.05Joséite-BBi4Te2S
2.DC.05KawazuliteBi2Te2Se
2.DC.05LaitakariteBi4Se2S
2.DC.05NevskiteBi(Se,S)
2.DC.05ParaguanajuatiteBi2Se3
2.DC.05PilseniteBi4Te3
2.DC.05SkippeniteBi2TeSe2
2.DC.05SulphotsumoiteBi3Te2S
2.DC.05TellurantimonySb2Te3
2.DC.05TetradymiteBi2Te2S
2.DC.05TsumoiteBiTe
2.DC.05BaksaniteBi6Te2S3
2.DC.05Joséite-CBi16Te3S9
2.DC.05ProtojoséiteBi4TeS2
2.DC.05SztrókayiteBi3TeS2
2.DC.05VihorlatiteBi24Se17Te4
2.DC.05TelluronevskiteBi3TeSe2
2.DC.05UM1983-09-S:BiPbTePbBi3S2Te
3.7.1PatróniteVS4
3.7.2DuranusiteAs4S
3.7.3DimorphiteAs4S3
3.7.4RealgarAs4S4
3.7.5PararealgarAs4S4
3.7.6AlacrániteAs8S9
3.7.7UzoniteAs4S5
3.7.8OrpimentAs2S3
3.7.9Jeromite
3.7.10LaphamiteAs2(Se,S)3
3.7.11GetchelliteAsSbS3
3.7.12Wakabayashilite[(As,Sb)6S9][As4S5]
3.7.13PääkköneniteSb2AsS2
3.7.14StibniteSb2S3
3.7.15MetastibniteSb2S3
3.7.16TellurantimonySb2Te3
3.7.17BismuthiniteBi2S3
3.7.18NevskiteBi(Se,S)
3.7.19GuanajuatiteBi2Se3
3.7.21IkunoliteBi4(S,Se)3
3.7.22LaitakariteBi4Se2S
3.7.23PoubaitePbBi2(Se,Te,S)4
3.7.25SoučekitePbCuBi(S,Se)3
3.7.26TsumoiteBiTe
3.7.27PilseniteBi4Te3
3.7.28HedleyiteBi7Te3
3.7.29TetradymiteBi2Te2S
3.7.30JoséiteBi4TeS2
3.7.31Joséite-BBi4Te2S
3.7.32IngoditeBi2TeS
3.7.33SulphotsumoiteBi3Te2S
3.7.34KawazuliteBi2Te2Se
3.7.36SkippeniteBi2TeSe2
3.7.37KochkaritePbBi4Te7
3.7.38Rucklidgeite(Bi,Pb)3Te4
3.7.39AleksitePbBi2Te2S2
3.7.40JunoiteCu2Pb3Bi8(S,Se)16

Other Names for Tellurobismuthite

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Tellurobismuthite

Reference List:
Esmark, [J.] (1815): Description of a new ore of tellurium. Transactions of the Geological Society. 3, 413-414. [First description of tellurobismuthinite, as Tellur-Wismuth]

Berzelius, J. (1823): Undersökning af tvenne i K. Vet. Academinens Mineralsamling befintliga Mineralier. Kongliga Vetenskaps-Academiens Handlingar, för år 1823, 183-189 [as Tellurbunden Wismuth]

Frondel, C. (1940), Redefinition of tellurobismuthite and vandiestite. American Journal of Science, 5th. Series: 238, 880-888.

American Mineralogist (1940): 25: 208.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 834pp.: 160-161.

Acta Crystallographica (1974): B30: 1307.

Internet Links for Tellurobismuthite

Localities for Tellurobismuthite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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