Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Calvertite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
Cu5Ge0.5S4
Colour:
Black
Lustre:
Metallic
Hardness:
4 - 5
Specific Gravity:
5.239 (Calculated)
Crystal System:
Isometric
Name:
Named in honor of Lauriston D. Calvert (1924-1993) of the National Research Council, Ottawa, Canada.
This page provides mineralogical data about Calvertite.


Hide all sections | Show all sections

Classification of CalvertiteHide

Approved
Approval Year:
2006
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
2.5.2.2

2 : SULFIDES
5 : AmBnXp, with (m+n):p = 3:2

Physical Properties of CalvertiteHide

Metallic
Transparency:
Opaque
Colour:
Black
Streak:
Black
Hardness:
4 - 5 on Mohs scale
Hardness:
VHN25=368 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
Density:
5.239 g/cm3 (Calculated)

Optical Data of CalvertiteHide

Type:
Isotropic
Colour in reflected light:
PALE BLUE GRAY
Pleochroism:
Non-pleochroic

Chemical Properties of CalvertiteHide

Formula:
Cu5Ge0.5S4
IMA Formula:
Cu5Ge0.5S4

Crystallography of CalvertiteHide

Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
F4 3m
Cell Parameters:
a = 5.3365 Å
Unit Cell V:
151.97 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.053 (100)
2.639 (10)
1.869 (90)
1.595 (30)

Type Occurrence of CalvertiteHide

Synonyms of CalvertiteHide

Other Language Names for CalvertiteHide

Simplified Chinese:卡硫锗铜矿

Common AssociatesHide

Associated Minerals Based on Photo Data:
Chalcocite1 photo of Calvertite associated with Chalcocite on mindat.org.
Renierite1 photo of Calvertite associated with Renierite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.CA.05aCovelliteCuSHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
2.CA.05bKlockmanniteCuSeHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
2.CA.05cSpionkopiteCu39S28Trig.
2.CA.05dYarrowiteCu9S8Trig.
2.CA.10NukundamiteCu3.4Fe0.6S4Trig. 3m (3 2/m) : P3m1

Related Minerals - Dana Grouping (8th Ed.)Hide

2.5.2.1BorniteCu5FeS4Orth. mmm (2/m 2/m 2/m) : Pbca

Other InformationHide

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

References for CalvertiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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 CalvertiteHide

Localities for CalvertiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Namibia (TL)
 
  • Otjikoto Region (Oshikoto)
    • Tsumeb
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
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: September 24, 2017 11:35:11 Page generated: September 6, 2017 15:08:44
Go to top of page