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Christite Mineral Data
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General Christite Information
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 Chemical Formula: |
TlHgAsS3 |
| Composition: |
Molecular Weight = 576.09 gm |
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Thallium 35.48 % Tl |
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Mercury 34.82 % Hg |
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Arsenic 13.01 % As |
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Sulfur 16.70 % S |
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______ |
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100.00 % |
| Empirical Formula: |
TlHgAsS3 |
| Environment: |
Dimorphous with routhierite. |
| IMA Status: |
Approved IMA 1977 |
| Locality: |
At the Carlin gold deposit, 50 km northwest of Elko, Eureka Co., Nevada, USA. Link to MinDat.org Location Data. |
| Name Origin: |
For Dr. Charles L. Christ, mineralogist with the U.S. Geological Survey. |
| Synonym: |
ICSD 33705 |
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PDF 29-1337 |
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Christite Crystallography
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| Axial Ratios: |
a:b:c =0.3776:1:0.3775 |
| Cell Dimensions: |
a = 6.113, b = 16.188, c = 6.111, Z = 4; beta = 96.71° V = 600.59 Den(Calc)= 6.37 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/n |
| X Ray Diffraction: |
By Intensity(I/Io): 2.98(1), 3.62(0.8), 3.49(0.6), |
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Physical Properties of Christite
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| Cleavage: |
{010} Perfect, {110} Perfect, {101} Good |
| Color: |
Crimson red, Bright orange. |
| Density: |
6.2 |
| Hardness: |
1-2 - Between Talc and Gypsum |
| Luster: |
Adamantine |
| Streak: |
light orange |
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Calculated Properties of Christite
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| Electron Density: |
Bulk Density (Electron Density)=5.35 gm/cc
note: Specific Gravity of Christite =6.37 gm/cc.
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| Fermion Index: |
Fermion Index = 0.1
Boson Index = 0.9 |
| Photoelectric: |
PEChristite =1,218.74 barns/electron
U=PEChristite x rElectron Density=6,522.35 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Christite is Not Radioactive |
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Christite Classification
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| Dana Class: |
03.04.10.01 (03)Sulfides - Sulfosalts |
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(03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.04.10)Dana Group |
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03.04.10.01 Christite TlHgAsS3 P 21/n 2/m |
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03.04.10.02 Laffittite AgHgAsS3 Aa m |
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03.04.10.03 IMA2007-010! PbHgAs2S6 P lattice Mono |
| Strunz Class: |
02.HD.15 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.H - Sulfosalts of SnS Archetype |
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02.HD -With Tl |
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02.HD.15 Christite TlHgAsS3 P 21/n 2/m |
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Other Christite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
| 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
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Christite Specimen Label here :
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Christite
TlHgAsS3
Dana No: 03.04.10.01 Strunz No: 02.HD.15
Locality:
Notes:
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