Ottemannite Mineral Data

General Ottemannite Information

Chemical Formula:

Sn2S3

Composition:

Molecular Weight = 333.62 gm

Tin 71.17 % Sn

Sulfur 28.83 % S

______

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

PDF 14-619

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Ottemannite Crystallography

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 - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnam

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

By Intensity(I/I_o): 4.131(1), 5.495(0.75), 2.67(0.45),

Crystal Structure:

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Kniep R , Mootz D , Severin U , Wunderlich H , Acta Crystallographica, Section B , 38 (1982) p.2022-2023, Structure of tin(II) tin(IV) trisulphide, a redetermination, Locality: synthetic

Physical Properties of Ottemannite

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

Optical Properties of Ottemannite

RL Anisotrophism:

Strong.

RL Color:

Gray with orange-brown internal reflections.

RL Pleochroism:

Weak.

Calculated Properties of Ottemannite

Electron Density:

Bulk Density (Electron Density)=4.22 gm/cc
note: Specific Gravity of Ottemannite =4.76 gm/cc.

Fermion Index:

Fermion Index = 0.12
Boson Index = 0.88

Photoelectric:

PE_Ottemannite= 222.54 barns/electron
U=PE_Ottemannite x rElectron Density= 939.84 barns/cc.

Radioactivity:

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

Ottemannite Classification

Dana Class:

02.11.09.01 (02)Sulfides - Including Selenides and Tellurides

(02.11)where Am Bn Xp, with (m+n):p=2:3

(02.11.09)Dana Group

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

02.D - Metal Sulfides, M:S = 3:4 and 2:3

02.DB -M:S = 2:3 and similar

02.DB.10 Suredaite! PbSnS3 P nma 2/m 2/m 2/m

02.DB.10 Ottemannite Sn2S3 Pnam 2/m 2/m 2/m

Other Ottemannite Information

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 :

Ottemannite

Sn2S3
Dana No: 02.11.09.01 Strunz No: 02.DB.10
Locality:

Notes: