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Sulphotsumoite Mineral Data
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General Sulphotsumoite Information
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 Chemical Formula: |
Bi3Te2S |
| Composition: |
Molecular Weight = 914.21 gm |
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Bismuth 68.58 % Bi |
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Tellurium 27.91 % Te |
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Sulfur 3.51 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Bi3Te2S |
| Environment: |
Of hydrothermal origin, with other bismuth tellurides. |
| IMA Status: |
Approved IMA 1982 |
| Locality: |
Magadan and Egerlyakh deposit, Yakutia, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named in allusion to the chemical relationship with tsumoite. |
| Name Pronunciation: |
Sulphotsumoite + Pronunciation  |
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Sulphotsumoite Image |
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Images:
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Sulphotsumoite Crystallography
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| Axial Ratios: |
a:c = 1:5.42863 |
| Cell Dimensions: |
a = 4.316, c = 23.43, Z = 2; V = 377.98 Den(Calc)= 8.03 |
| Crystal System: |
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: P 3m1 |
| X Ray Diffraction: |
By Intensity(I/Io): 3.16(1), 2.32(0.6), 2.16(0.5), |
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Physical Properties of Sulphotsumoite
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| Cleavage: |
{???} Perfect |
| Color: |
Gray white. |
| Diaphaneity: |
Opaque |
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
| Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
| Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. |
| Hardness: |
2.5 - Finger Nail |
| Luster: |
Metallic |
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Optical Properties of Sulphotsumoite
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| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Sulphotsumoite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 420 nm |
51.80 |
53.80 |
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| 440 nm |
51.80 |
54.10 |
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| 460 nm |
52.00 |
54.70 |
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| 480 nm |
52.30 |
55.30 |
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| 500 nm |
52.70 |
56.00 |
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| 520 nm |
53.20 |
56.70 |
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| 540 nm |
53.60 |
57.30 |
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| 560 nm |
53.80 |
57.80 |
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| 580 nm |
53.90 |
58.00 |
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| 600 nm |
53.80 |
58.00 |
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| 620 nm |
53.70 |
58.00 |
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| 640 nm |
53.60 |
58.00 |
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| 660 nm |
53.60 |
57.90 |
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| 680 nm |
53.60 |
57.90 |
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| 700 nm |
53.60 |
57.80 |
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Calculated Relative Intensity Colors of Sulphotsumoite in Air
Relative
Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
160% |
170% |
| R1 |
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| R2 |
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Calculated Properties of Sulphotsumoite
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| Electron Density: |
Bulk Density (Electron Density)=6.48 gm/cc
note: Specific Gravity of Sulphotsumoite =8.03 gm/cc.
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| Fermion Index: |
Fermion Index = 0.02
Boson Index = 0.98 |
| Photoelectric: |
PESulphotsumoite =1,473.38 barns/electron
U=PESulphotsumoite x rElectron Density=9,550.83 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sulphotsumoite is Not Radioactive |
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Sulphotsumoite Classification
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| Dana Class: |
02.08.20.02 (02)Sulfides - Including Selenides and Tellurides |
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(02.08)where Am Bn Xp, with (m+n):p=1:1 |
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(02.08.20)Tsumoite Group (Trigonal: P-3m1) |
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02.08.20.01 Tsumoite BiTe P 3m1 3 2/m |
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02.08.20.02 Sulphotsumoite Bi3Te2S P 3m1 3 2/m |
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02.08.20.03 Nevskite Bi(Se,S) P 3m1 3 2/m |
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02.08.20.04 Ingodite Bi(S,Te) P 3m1 3 2/m |
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02.08.20.05 Telluronevskite! Bi3TeSe2 P 3m1 3 2/m |
| Strunz Class: |
02.DC.05b 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.05b Ingodite Bi(S,Te) P 3m1 3 2/m |
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02.DC.05b Nevskite Bi(Se,S) P 3m1 3 2/m |
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02.DC.05b Sulphotsumoite Bi3Te2S P 3m1 3 2/m |
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02.DC.05b Tsumoite BiTe P 3m1 3 2/m |
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02.DC.05b Telluronevskite! Bi3TeSe2 P 3m1 3 2/m |
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Other Sulphotsumoite 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 Sulphotsumoite :
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
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Sulphotsumoite
Bi3Te2S
Dana No: 02.08.20.02 Strunz No: 02.DC.05b
Locality:
Notes:
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