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Cameronite

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Good Hope Mine, Vulcan District, Gunnison Co., Colorado, USA
© Brent Thorne 2009




Formula:
AgCu
 
7
Te
 
10
System:TetragonalColour:Gray
Hardness:3½ - 4
Name:For Prof. Eugene Cameron, University of Wisconsin, USA who first recognized it.
This page provides mineralogical data about Cameronite.

Classification of Cameronite

IMA status:Approved
Strunz 8th edition ID:2/D.14-10
Nickel-Strunz 10th (pending) edition ID:2.DB.35

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
B : M:S = 2:3
Dana 8th edition ID:2.16.20.1

2 : SULFIDES
16 : Miscellaneous
Hey's CIM Ref.:3.2.14

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
2 : Sulphides etc. of Ag
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Type Occurrence of Cameronite

Type Locality:Good Hope Mine, Vulcan District, Gunnison Co., Colorado, USA
Place of Conservation of Type Material:British Natural History Museum
Year of Discovery:1986
Geological Setting of type material:Hydrothermal tellurium bearing veins.
Associated Minerals at type locality:
PyriteVulcaniteVulcaniteRickarditeTellurium

Physical Properties of Cameronite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Gray
Streak:Black
Hardness (Mohs):3½ - 4
Hardness (Vickers):VHN100=150 - 173 kg/mm2
Tenacity:Brittle
Fracture:Sub-Conchoidal
Density (calculated):7.144 g/cm3

Crystallography of Cameronite

Crystal System:Tetragonal
Cell Parameters:a = 12.695(2) Å, c = 42.186(6) Å
Ratio:a:c = 1 : 3.323
Unit Cell Volume:V 6,798.82 ų (Calculated from Unit Cell)
Z:16
Morphology:Anhedral grains to 200 microns.

Optical Data of Cameronite

Type:Anisotropic
Anisotropism:Distinct, medium gray to slate-gray to brownish gray
Pleochroism:Weak
Comments:Pale gray to pale brownish gray

Chemical Properties of Cameronite

Formula:
AgCu
 
7
Te
 
10
Essential elements:Ag, Cu, Te
All elements listed in formula:Ag, Cu, Te

Relationship of Cameronite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.DB.05Antimonselite
Sb
 
2
Se
 
3
2.DB.05Bismuthinite
Bi
 
2
S
 
3
2.DB.05Guanajuatite
Bi
 
2
(Se,S)
 
3
2.DB.05Metastibnite
Sb
 
2
S
 
3
2.DB.05Pääkkönenite
Sb
 
2
AsS
 
2
2.DB.05Stibnite
Sb
 
2
S
 
3
2.DB.10Ottemannite
beta Sn
 
2
S
 
3
2.DB.10Suredaite
PbSnS
 
3
2.DB.15Bowieite
(Rh,Ir,Pt)
 
2
S
 
3
2.DB.15Kashinite
(Ir,Rh)
 
2
S
 
3
2.DB.20Montbrayite
(Au,Sb)
 
2
Te
 
3
2.DB.25Edgarite
FeNb
 
3
S
 
6
2.DB.30Tarkianite
(Cu,Fe)(Re,Mo)
 
4
S
 
8
Related Minerals - Hey's Index Grouping:

- +
3.2.1Acanthite
Ag
 
2
S
3.2.3Naumannite
Ag
 
2
Se
3.2.4Aguilarite
Ag
 
4
SeS
3.2.5Hessite
Ag
 
2
Te
3.2.6Empressite
AgTe
3.2.7Stützite
Ag
 
5-x
Te
 
3
, x = 0.24-0.36
3.2.8Cervelleite
Ag
 
4
TeS
3.2.9Dervillite
Ag
 
2
AsS
 
2
3.2.10Stromeyerite
AgCuS
3.2.11Mckinstryite
Ag
 
5-x
Cu
 
3+x
S
 
4
3.2.12Jalpaite
Ag
 
3
CuS
 
2
3.2.13Eucairite
AgCuSe
3.2.15Henryite
Ag
 
3
Cu
 
4
Te
 
4
3.2.16Sternbergite
AgFe
 
2
S
 
3
3.2.17Argentopyrite
AgFe
 
2
S
 
3
3.2.18Geffroyite
(Cu,Fe,Ag)
 
9
(Se,S)
 
8
3.2.19Argentopentlandite
Ag(Fe,Ni)
 
8
S
 
8

Other Names for Cameronite

Synonyms:
IMA1984-069
Other Languages:
German:Cameronit
Spanish:Cameronita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Cameronite

Reference List:

- +
American Mineralogist: 72: 1023.

Internet Links for Cameronite

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  • Raman and XRD data at RRUFF project
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  • Cameronite details from Handbook of Mineralogy (PDF)
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    • Localities for Cameronite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    USA
     
    • Colorado
      • Gunnison Co.
        • Vulcan District
    		Can.Min.(1986) 24, 379-384; "Minerals of Colorado, updated & revised", pp. 127-128 , by Eckel, Edwin B., 1997
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