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Tvalchrelidzeite Mineral Data
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General Tvalchrelidzeite Information
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 Chemical Formula: |
Hg3SbAsS3 |
| Composition: |
Molecular Weight = 904.31 gm |
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Mercury 67.21 % Hg |
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Antimony 13.87 % Sb |
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Arsenic 8.28 % As |
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Sulfur 10.64 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Hg3.03Sb1.03AsS3 |
| Environment: |
In a hydrothermal As-Sb-Hg deposit. |
| IMA Status: |
Approved IMA 1975 |
| Locality: |
In the Gomi deposit, Caucasus mountains, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for A. A. Tvalchrelidze, founder of the Georgian Mineralogical-Petrographic School, Russia. |
| Name Pronunciation: |
Tvalchrelidzeite + Pronunciation  |
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Tvalchrelidzeite Crystallography
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| Axial Ratios: |
a:b:c =2.6344:1:3.5659 |
| Cell Dimensions: |
a = 11.5526, b = 4.3852, c = 15.6373, Z = 4; beta = 91.845° V = 791.78 Den(Calc)= 7.59 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/n |
| X Ray Diffraction: |
By Intensity(I/Io): 2.92(1), 2.98(1), 3.49(1), |
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Physical Properties of Tvalchrelidzeite
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| Cleavage: |
{???} Perfect |
| Color: |
Lead gray. |
| Density: |
7.38 |
| Diaphaneity: |
Translucent to Opaque |
| Fracture: |
Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments. |
| Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
| Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
| Hardness: |
3 - Calcite |
| Luster: |
Adamantine |
| Streak: |
reddish black |
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Optical Properties of Tvalchrelidzeite
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| RL Anisotrophism: |
Distinct, dark olive to dark violet. |
| RL Color: |
Whitish lead gray, with dark red internal reflections, cherry red in transmitted light. |
| RL Pleochroism: |
White to grayish white, weak lilac to a distinctly greenish tint. |
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Calculated Properties of Tvalchrelidzeite
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| Electron Density: |
Bulk Density (Electron Density)=6.31 gm/cc
note: Specific Gravity of Tvalchrelidzeite =7.59 gm/cc.
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| Fermion Index: |
Fermion Index = 0.2
Boson Index = 0.8 |
| Photoelectric: |
PETvalchrelidzeite =1,200.32 barns/electron
U=PETvalchrelidzeite x rElectron Density=7,574.57 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tvalchrelidzeite is Not Radioactive |
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Tvalchrelidzeite Classification
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| Dana Class: |
03.08.03.01 (03)Sulfides - Sulfosalts |
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(03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.08.03)Dana Group |
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03.08.03.01 Tvalchrelidzeite Hg3SbAsS3 P 21/n 2/m |
| Strunz Class: |
02.GC.45 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.G - Sulfarsenites, sulfantimonites, sulfbismuthites |
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02.GC -Poly-sulfarsenites |
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02.GC.45 Tvalchrelidzeite Hg3SbAsS3 P 21/n 2/m |
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Other Tvalchrelidzeite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Dana8, AmMin v93:1691) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Tvalchrelidzeite :
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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Print or Cut-and-Paste your Tvalchrelidzeite Specimen Label here :
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Tvalchrelidzeite
Hg3SbAsS3
Dana No: 03.08.03.01 Strunz No: 02.GC.45
Locality:
Notes:
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