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Cameronite Mineral Data
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General Cameronite Information
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 Chemical Formula: |
AgCu7Te10 |
| Composition: |
Molecular Weight = 1,828.69 gm |
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Copper 24.32 % Cu |
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Silver 5.90 % Ag |
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Tellurium 69.78 % Te |
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______ |
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100.00 % |
| Empirical Formula: |
AgCu7Te10 |
| Environment: |
Hydrothermal deposits in telluride-rich ores. |
| IMA Status: |
Approved IMA 1986 |
| Locality: |
Good Hope mine, Vulcan, Colorado, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Eugene N. Cameron (1910-), U.S. Economic geologist. |
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Cameronite Image |
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Images:
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Cameronite Rickardite Vulcanite
Comments: Gray metallic massive cameronite showing subconchoidal fracture associated with purple rickardite and bronzy plates of vulcanite in a mass of tellurium, co-type specimen.
Location: Good Hope mine, Vulcan District, Gunnison County, Colorado, USA.
Scale: See Image.
© Rruff Database |
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Cameronite Crystallography
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| Axial Ratios: |
a:c = 1:3.32304 |
| Cell Dimensions: |
a = 12.695, c = 42.186, Z = 16; V = 6,798.82 Den(Calc)= 7.15 |
| Crystal System: |
Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 41/mmc |
| X Ray Diffraction: |
By Intensity(I/Io): 2.118(1), 3.456(1), 1.804(0.6), |
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Physical Properties of Cameronite
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| Cleavage: |
None |
| Color: |
Black, Gray. |
| Diaphaneity: |
Opaque |
| Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
| Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
3.5-4 - Copper Penny-Fluorite |
| Luster: |
Metallic |
| Streak: |
black |
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Optical Properties of Cameronite
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| RL Anisotrophism: |
Distinct, medium gray to slate-gray to brownish gray. |
| RL Pleochroism: |
Slight, pale gray to pale brownish gray. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Cameronite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
23.60 |
28.40 |
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| 420 nm |
25.60 |
30.10 |
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| 440 nm |
27.40 |
31.40 |
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| 460 nm |
28.90 |
32.50 |
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| 480 nm |
30.10 |
33.10 |
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| 500 nm |
31.00 |
33.60 |
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| 520 nm |
31.60 |
33.70 |
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| 540 nm |
32.10 |
33.80 |
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| 560 nm |
32.50 |
33.70 |
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| 580 nm |
32.80 |
33.60 |
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| 600 nm |
33.00 |
33.40 |
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| 620 nm |
33.10 |
33.20 |
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| 640 nm |
33.30 |
33.00 |
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| 660 nm |
33.40 |
32.70 |
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| 680 nm |
33.50 |
32.60 |
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| 700 nm |
33.60 |
32.30 |
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Calculated Relative Intensity Colors of Cameronite in Air
Relative
Intensity |
0% |
40% |
80% |
100% |
120% |
160% |
200% |
240% |
280% |
320% |
| R1 |
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| R2 |
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Calculated Properties of Cameronite
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| Electron Density: |
Bulk Density (Electron Density)=6.02 gm/cc
note: Specific Gravity of Cameronite =7.15 gm/cc.
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| Fermion Index: |
Fermion Index = 0.05
Boson Index = 0.95 |
| Photoelectric: |
PECameronite = 282.22 barns/electron
U=PECameronite x rElectron Density=1,699.31 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cameronite is Not Radioactive |
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Cameronite Classification
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| Dana Class: |
02.16.20.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.16)with miscellaneous formulae |
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(02.16.20)Dana Group |
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02.16.20.01 Cameronite AgCu7Te10 P 41/mmc 4/m 2/m 2/m |
| Strunz Class: |
02.DB.35 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.D - Metal Sulfides, M:S = 3:4 and 2:3 |
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02.DB -M:S = 2:3 and similar |
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02.DB.35 Cameronite AgCu7Te10 P 41/mmc 4/m 2/m 2/m |
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Other Cameronite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Cameronite :
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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Cameronite
AgCu7Te10
Dana No: 02.16.20.01 Strunz No: 02.DB.35
Locality:
Notes:
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