Tvalchrelidzeite Mineral Data

Tvalchrelidzeite Mineral Data
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General Tvalchrelidzeite Information

Help on Chemical Formula: Chemical Formula: Hg3SbAsS3
Help on Composition: Composition: Molecular Weight = 904.31 gm
   Mercury   67.21 %  Hg
   Antimony  13.87 %  Sb
   Arsenic    8.28 %  As
   Sulfur    10.64 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Hg3.03Sb1.03AsS3
Help on Environment: Environment: In a hydrothermal As-Sb-Hg deposit.
Help on IMA Status: IMA Status: Approved IMA 1975
Help on Locality: Locality: In the Gomi deposit, Caucasus mountains, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for A. A. Tvalchrelidze, founder of the Georgian Mineralogical-Petrographic School, Russia.
Help on Name Pronunciation: Name Pronunciation: Tvalchrelidzeite + Pronunciation Say TVALCHRELIDZEITE
 

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Tvalchrelidzeite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.6344:1:3.5659
Help on Cell Dimensions: Cell Dimensions: a = 11.5526, b = 4.3852, c = 15.6373, Z = 4; beta = 91.845° V = 791.78 Den(Calc)= 7.59
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.92(1), 2.98(1), 3.49(1),
Click Here for Large Tvalchrelidzeite Structure Window Crystal Structure:

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Yang H , Downs R T , Costin G , Eichler C M , The Canadian Mineralogist , 45 (2007) p.1529-1533, The crystal structure of tvalchrelidzeite, Hg3SbAsS3, and a revision of its, chemical formula, Locality: Gomi deposit, Rioni River Valley, Caucacus Mountains, Georgia

 

Physical Properties of Tvalchrelidzeite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Lead gray.
Help on Density: Density: 7.38
Help on Diaphaneity: Diaphaneity: Translucent to Opaque
Help on Fracture: Fracture: Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Adamantine
Help on Streak: Streak: reddish black
 

Optical Properties of Tvalchrelidzeite

Help on RL Anisotrophism: RL Anisotrophism: Distinct, dark olive to dark violet.
Help on RL Color: RL Color: Whitish lead gray, with dark red internal reflections, cherry red in transmitted light.
Help on RL Pleochroism: RL Pleochroism: White to grayish white, weak lilac to a distinctly greenish tint.
 

Calculated Properties of Tvalchrelidzeite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.31 gm/cc
note: Specific Gravity of Tvalchrelidzeite =7.59 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.2
Boson Index = 0.8
Help on Photoelectric: Photoelectric: PETvalchrelidzeite =1,200.32 barns/electron
U=PETvalchrelidzeite x rElectron Density=7,574.57 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tvalchrelidzeite is Not Radioactive
 

Tvalchrelidzeite Classification
Help on Dana Class: Dana Class: 03.08.03.01 (03)Sulfides - Sulfosalts
  (03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.08.03)Dana Group
 
03.08.03.01 Tvalchrelidzeite Hg3SbAsS3 P 21/n 2/m
Help on Strunz Class: Strunz Class: 02.GC.45 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.G - Sulfarsenites, sulfantimonites, sulfbismuthites
  02.GC -Poly-sulfarsenites
 
02.GC.45 Tvalchrelidzeite Hg3SbAsS3 P 21/n 2/m
 

Other Tvalchrelidzeite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Dana8, AmMin v93:1691) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: 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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Ask about Tvalchrelidzeite here :
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Print or Cut-and-Paste your Tvalchrelidzeite Specimen Label here :

Tvalchrelidzeite

Hg3SbAsS3
Dana No: 03.08.03.01 Strunz No: 02.GC.45
Locality:

 

Notes: