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Calvertite

Formula:
Cu
 
5
Ge
 
0.5
S
 
4
System:Isometric
This page provides mineralogical data about Calvertite.

Classification of Calvertite

IMA status:Approved 2006
Strunz 8th edition ID:2/B.02-35
Strunz 9th edition ID:2.BB.10
Nickel-Strunz 10th (pending) edition ID:2.CA.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
A : With Cu
Dana 8th edition ID:2.5.2.2

2 : SULFIDES
5 : AmBnXp, with (m+n):p = 3:2
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Type Occurrence of Calvertite

Type Locality:Tsumeb, Otjikoto (Oshikoto) Region, Namibia

Crystallography of Calvertite

Crystal System:Isometric
Cell Parameters:a = 5.337Å
Unit Cell Volume:V 152.02 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
3.053 (100)
2.639 (10)
1.869 (90)

Chemical Properties of Calvertite

Formula:
Cu
 
5
Ge
 
0.5
S
 
4
All elements listed in formula:Cu, Ge, S

Relationship of Calvertite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.CA.05aCovellite
CuS
2.CA.05bKlockmannite
CuSe
2.CA.05cSpionkopite
Cu
 
39
S
 
28
2.CA.05dYarrowite
Cu
 
9
S
 
8
2.CA.10Nukundamite
(Cu,Fe)
 
4
S
 
4

Other Names for Calvertite

Synonyms:
IMA2006-030
Other Languages:

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 Calvertite

Reference List:Jambor, J.L., Roberts, A.C., Groat, L.A., Stanley, C.J., Criddle, A.J., Feinglos, M.N. (2007): Calvertite, Cu5Ge0.5S4, a new mineral species from Tsumeb, Namibia. Canadian Mineralogist, 45, 1519-1523.

Internet Links for Calvertite

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  • Raman and XRD data at RRUFF project
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    Localities for Calvertite

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    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.
    Namibia
     
    • Otjikoto (Oshikoto) Region
    		Jambor, J.L., Roberts, A.C., Groat, L.A., Stanley, C.J., Criddle, A.J., Feinglos, M.N. (2007): Calvertite, Cu5Ge0.5S4, a new mineral species from Tsumeb, Namibia. Canadian Mineralogist, 45, 1519-1523
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the 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 hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 12th Oct 2009 13:18:28