Mindat Logo

Cameronite

This page is currently not sponsored. Click here to sponsor this page.



Formula:
Cu
 
5-x
(Cu,Ag)
 
3+x
Te
 
10
(x = 0.43)
Originally assumed to be Cu7AgTe10.
System:MonoclinicColour: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
mindat.org URL:http://www.mindat.org/min-873.html
Please feel free to link to this page.

Type Occurrence of Cameronite

Type Locality:Good Hope Mine (Mammoth Good Hope Mine; Mammoth-Good Hope Mine; Mammoth Chimney Mine), Vulcan, Vulcan District (Cebolla District; Domingo 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:
VulcaniteVulcaniteTelluriumRickarditePyrite

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:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/b
Space Group Setting:C1 2/c 1
Cell Parameters:a = 17.906(1) Å, b = 17.927(1) Å, c = 21.230(2) Å
β = 98.081(8)°
Ratio:a:b:c = 0.999 : 1 : 1.184
Unit Cell Volume:V 6747.2 ų
Z:16
Morphology:Anhedral grains to 200 microns.

Comment:Originally assumed to be tetragonal, a = 12.695, c = 42.186 A.

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:
Cu
 
5-x
(Cu,Ag)
 
3+x
Te
 
10
(x = 0.43)


Originally assumed to be Cu7AgTe10.
Simplified for copy/paste:Cu5-x(Cu,Ag)3+xTe10 (x = 0.43)
Essential elements: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.

Bindi L. & Pinch, W.W. (2014): Cameronite, Cu5−x(Cu,Ag)3+xTe10 (x = 0.43), from the Good Hope Mine, Vulcan, Colorado: Crystal structure and revision of the chemical formula. Canadian Mineralogist, 52, 423-432.

Internet Links for Cameronite

Search Engines:
  • Look for Cameronite on Google
  • Look for Cameronite images on Google
  • External Links:
  • Look for Cameronite on Webmineral
  • Look for Cameronite on Athena Mineralogy
  • Look for Cameronite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Cameronite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Buy from McDougall Minerals
  • Cameronite specimens for sale - minfind.com
  • Buy fine minerals and gemstones from Pala International
  • SpiriferMinerals.com - high quality low prices
  • Top quality minerals from Kristalle of California
  • Buy rare minerals from Excalibur Minerals
  • Fine Minerals from Weinrich Minerals, Inc.
  • Wilensky Fine Minerals
  • Fine minerals from bisbeeborn.com
  • The Arkenstone - Fine Minerals
  • Fine and rare minerals from mintreasure.com
  • Buy from Dave Bunk Minerals
  • 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.
    (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 (Cebolla District; Domingo District)
          • Vulcan
    Can.Min.(1986) 24, 379-384; "Minerals of Colorado, updated & revised", pp. 127-128 , by Eckel, Edwin B., 1997; Bindi L. & Pinch, W.W. (2014): Cameronite, Cu5−x(Cu,Ag)3+xTe10 (x = 0.43), from the Good Hope Mine, Vulcan, Colorado: Crystal structure and revision of the chemical formula. Canadian Mineralogist, 52, 423-432.
    Mineral and/or Locality  
    Search Google  
    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: October 22, 2014 15:44:50
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds