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Carlinite Mineral Data
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General Carlinite Information
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 Chemical Formula: |
Tl2S |
| Composition: |
Molecular Weight = 440.83 gm |
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Thallium 92.73 % Tl |
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Sulfur 7.27 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Tl2S |
| Environment: |
As small grains in brecciated fragments of carbonaceous limestone, as a result of epithermal mineralization. |
| IMA Status: |
Approved IMA 1975 |
| Locality: |
From the east pit of the Carlin mine, Eureka Co., Nevada, USA. Link to MinDat.org Location Data. |
| Name Origin: |
For the Carlin gold deposit, Nevada, USA. |
| Synonym: |
ICSD 42713 |
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PDF 29-1344 |
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Carlinite Image |
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Images:
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Carlinite
Comments: B&W image of carlinite fragments (opaque grains), with some quartz (transparent gralns. (AmMin, v60:559).
Location: Carbonaceous limestones exposed in the east pit of ihe Carlin mine, Nevada, USA.
Scale: See Image.
© American Mineralogist |
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Carlinite Crystallography
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| Axial Ratios: |
a:c = 1:1.49958 |
| Cell Dimensions: |
a = 12.12, c = 18.175, Z = 27; V = 2,312.12 Den(Calc)= 8.55 |
| Crystal System: |
Trigonal - Pyramidal H-M Symbol (3) Space Group: R 3 |
| X Ray Diffraction: |
By Intensity(I/Io): 3.03(1), 2.29(0.33), 1.749(0.3), |
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Physical Properties of Carlinite
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| Cleavage: |
{0001} Perfect |
| Color: |
Dark gray, Black. |
| Density: |
8.1 |
| Diaphaneity: |
Opaque |
| Hardness: |
1 - Talc |
| Luster: |
Metallic - Dull |
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Optical Properties of Carlinite
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| Optical Data: |
NCalc= 1.95 - from Gladstone-Dale relationship (KC = 0.1108) where Ncalc=Dcalc*KC+1
NCalc= 1.9 - from Gladstone-Dale relationship (KC = 0.1108) where Ncalc=Dmeas*KC+1
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| RL Anisotrophism: |
Moderate to distinct. |
| RL Color: |
White with faint bluish cast. |
| RL Pleochroism: |
Brownish gray to bluish gray. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Carlinite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 470 nm |
39.60 |
41.30 |
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| 546 nm |
38.80 |
40.10 |
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| 589 nm |
39.20 |
40.60 |
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| 650 nm |
40.50 |
42.00 |
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Calculated Relative Intensity Colors of Carlinite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
230% |
| R1 |
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| R2 |
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Calculated Properties of Carlinite
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| Electron Density: |
Bulk Density (Electron Density)=6.90 gm/cc
note: Specific Gravity of Carlinite =8.55 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0005455472
Boson Index = 0.9994544528 |
| Photoelectric: |
PECarlinite =1,689.30 barns/electron
U=PECarlinite x rElectron Density=11664.02 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Carlinite is Not Radioactive |
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Carlinite Classification
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| Dana Class: |
02.04.13.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.04)where Am Bn Xp, with (m+n):p=2:1 |
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(02.04.13)Dana Group |
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02.04.13.01 Carlinite Tl2S R 3 3 |
| Strunz Class: |
02.BD.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1) |
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02.BD -With Hg, Tl |
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02.BD.25 Carlinite Tl2S R 3 3 |
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Other Carlinite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Carlinite :
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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Carlinite
Tl2S
Dana No: 02.04.13.01 Strunz No: 02.BD.25
Locality:
Notes:
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