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Ottemannite Mineral Data
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General Ottemannite Information
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 Chemical Formula: |
Sn2S3 |
| Composition: |
Molecular Weight = 333.62 gm |
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Tin 71.17 % Sn |
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Sulfur 28.83 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Sn2S3 |
| Environment: |
In zones of oxidation or secondary enrichment in hydrothermal tin deposits. |
| IMA Status: |
Approved IMA 1966 |
| Locality: |
Maria Teresa mine, near Huari, between Oruro and Uyuni, Bolivia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for J. Ottemann, German mineralogist, Heidelberg, Germany. |
| Name Pronunciation: |
Ottemannite + Pronunciation  |
| Synonym: |
ICSD 31995 |
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PDF 14-619 |
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Ottemannite Crystallography
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| Axial Ratios: |
a:b:c =0.6322:1:0.2672 |
| Cell Dimensions: |
a = 8.864, b = 14.02, c = 3.747, Z = 4; V = 465.65 Den(Calc)= 4.76 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnam |
| X Ray Diffraction: |
By Intensity(I/Io): 4.131(1), 5.495(0.75), 2.67(0.45), |
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Physical Properties of Ottemannite
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| Color: |
Reddish gray. |
| Density: |
4.835 |
| Diaphaneity: |
Opaque |
| Habit: |
Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape. |
| Hardness: |
2 - Gypsum |
| Luster: |
Metallic |
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Optical Properties of Ottemannite
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| RL Anisotrophism: |
Strong. |
| RL Color: |
Gray with orange-brown internal reflections. |
| RL Pleochroism: |
Weak. |
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Calculated Properties of Ottemannite
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| Electron Density: |
Bulk Density (Electron Density)=4.22 gm/cc
note: Specific Gravity of Ottemannite =4.76 gm/cc.
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| Fermion Index: |
Fermion Index = 0.12
Boson Index = 0.88 |
| Photoelectric: |
PEOttemannite = 222.54 barns/electron
U=PEOttemannite x rElectron Density= 939.84 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ottemannite is Not Radioactive |
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Ottemannite Classification
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| Dana Class: |
02.11.09.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.11)where Am Bn Xp, with (m+n):p=2:3 |
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(02.11.09)Dana Group |
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02.11.09.01 Ottemannite Sn2S3 Pnam 2/m 2/m 2/m |
| Strunz Class: |
02.DB.10 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.DB -M:S = 2:3 and similar |
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02.DB.10 Suredaite! PbSnS3 P nma 2/m 2/m 2/m |
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02.DB.10 Ottemannite Sn2S3 Pnam 2/m 2/m 2/m |
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Other Ottemannite 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 Ottemannite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
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Print or Cut-and-Paste your Ottemannite Specimen Label here :
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Ottemannite
Sn2S3
Dana No: 02.11.09.01 Strunz No: 02.DB.10
Locality:
Notes:
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