Mineralogy Database

Christite Mineral Data

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General Christite Information

Help on Chemical  Formula: Chemical Formula: TlHgAsS3
Help on Composition: Composition: Molecular Weight = 576.09 gm
   Thallium  35.48 %  Tl
   Mercury   34.82 %  Hg
   Arsenic   13.01 %  As
   Sulfur    16.70 %  S
            100.00 % 
Help on Empirical Formula: Empirical Formula: TlHgAsS3
Help on Environment: Environment: Dimorphous with routhierite.
Help on IMA Status: IMA Status: Approved IMA 1977
Help on Locality: Locality: At the Carlin gold deposit, 50 km northwest of Elko, Eureka Co., Nevada, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Dr. Charles L. Christ, mineralogist with the U.S. Geological Survey.
Help on Synonym: Synonym: ICSD 33705
  PDF 29-1337

Christite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.3776:1:0.3775
Help on Cell Dimensions: Cell Dimensions: a = 6.113, b = 16.188, c = 6.111, Z = 4; beta = 96.71° V = 600.59 Den(Calc)= 6.37
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.98(1), 3.62(0.8), 3.49(0.6),

Physical Properties of Christite

Help on Cleavage: Cleavage: {010} Perfect, {110} Perfect, {101} Good
Help on Color: Color: Crimson red, Bright orange.
Help on Density: Density: 6.2
Help on Hardness: Hardness: 1-2 - Between Talc and Gypsum
Help on Luster: Luster: Adamantine
Help on Streak: Streak: light orange

Calculated Properties of Christite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.35 gm/cc
note: Specific Gravity of Christite =6.37 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.1
Boson Index = 0.9
Help on Photoelectric: Photoelectric: PEChristite =1,218.74 barns/electron
U=PEChristite x rElectron Density=6,522.35 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Christite is Not Radioactive

Christite Classification

Help on  Dana Class: Dana Class: (03)Sulfides - Sulfosalts
  (03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.04.10)Dana Group Christite TlHgAsS3 P 21/n 2/m Laffittite AgHgAsS3 Aa m IMA2007-010! PbHgAs2S6 P lattice Mono
Help on  Strunz Class: Strunz Class: 02.HD.15 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.H - Sulfosalts of SnS Archetype
  02.HD -With Tl
02.HD.15 Christite TlHgAsS3 P 21/n 2/m

Other Christite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Christite :
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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Dana No: Strunz No: 02.HD.15





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