Cameronite Mineral Data (original) (raw)

General Cameronite Information

Help on Chemical Formula: Chemical Formula:

AgCu7Te10

Help on Composition: Composition:

Molecular Weight = 1,828.69 gm

Copper 24.32 % Cu

Silver 5.90 % Ag

Tellurium 69.78 % Te

______

100.00 %

Help on Empirical Formula: Empirical Formula:

AgCu7Te10

Help on Environment: Environment:

Hydrothermal deposits in telluride-rich ores.

Help on IMA Status: IMA Status:

Approved IMA 1986

Help on Locality: Locality:

Good Hope mine, Vulcan, Colorado, USA. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Eugene N. Cameron (1910-), U.S. Economic geologist.

Cameronite Image

Click Here for Larger Cameronite Image in a New Browser Window Images:

Click Here for Larger Cameronite Image 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

Cameronite Crystallography

Help on Axial Ratios: Axial Ratios:

a:c = 1:3.32304

Help on Cell Dimensions: Cell Dimensions:

a = 12.695, c = 42.186, Z = 16; V = 6,798.82 Den(Calc)= 7.15

Help on Crystal System: Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 41/mmc

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.118(1), 3.456(1), 1.804(0.6),

Physical Properties of Cameronite

Help on Cleavage: Cleavage:

None

Help on Color: Color:

Black, Gray.

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Fracture: Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Help on Habit: Habit:

Anhedral Grains - Granular minerals without the expression of crystal shapes

Help on Habit: Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Help on Hardness: Hardness:

3.5-4 - Copper Penny-Fluorite

Help on Luster: Luster:

Metallic

Help on Streak: Streak:

black

Optical Properties of Cameronite

Help on RL Anisotrophism: RL Anisotrophism:

Distinct, medium gray to slate-gray to brownish gray.

Help on RL Pleochroism: RL Pleochroism:

Slight, pale gray to pale brownish gray.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Cameronite in Air

λ R1 R 2 ∑ R1(λ) ∑ R2(λ)
400 nm 23.60 28.40
420 nm 25.60 30.10
440 nm 27.40 31.40
460 nm 28.90 32.50
480 nm 30.10 33.10
500 nm 31.00 33.60
520 nm 31.60 33.70
540 nm 32.10 33.80
560 nm 32.50 33.70
580 nm 32.80 33.60
600 nm 33.00 33.40
620 nm 33.10 33.20
640 nm 33.30 33.00
660 nm 33.40 32.70
680 nm 33.50 32.60
700 nm 33.60 32.30

Calculated Relative Intensity Colors of Cameronite in Air

RelativeIntensity 0% 40% 80% 100% 120% 160% 200% 240% 280% 320%
R1
R2

Calculated Properties of Cameronite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=6.02 gm/cc
note: Specific Gravity of Cameronite =7.15 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Help on Photoelectric: Photoelectric:

PECameronite = 282.22 barns/electron
U=PECameronite x rElectron Density=1,699.31 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cameronite is Not Radioactive

Cameronite Classification

Help on Dana Class: Dana Class:

02.16.20.01 (02)Sulfides - Including Selenides and Tellurides

(02.16)with miscellaneous formulae

(02.16.20)Dana Group

02.16.20.01 Cameronite AgCu7Te10 P 41/mmc 4/m 2/m 2/m

Help on Strunz Class: Strunz Class:

02.DB.35 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.D - Metal Sulfides, M:S = 3:4 and 2:3

02.DB -M:S = 2:3 and similar

02.DB.35 Cameronite AgCu7Te10 P 41/mmc 4/m 2/m 2/m

Other Cameronite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)

Help on See Also: 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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Print or Cut-and-Paste your Cameronite Specimen Label here :

Cameronite

AgCu7Te10
Dana No: 02.16.20.01 Strunz No: 02.DB.35
Locality:

Notes: