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Tennantite With Chalcopyrite

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PDM728264

Tennantite With Chalcopyrite

Description Tabs

Description
Locality: 
Kipushi Mine, Haut-Katanga, DR Congo
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4.3 × 2.5 cm
Description

Lustrous massive blackish tennantite with pyrite and minor chalcopyrite. Uncommon specimen for this locality, barely present in collections.

Specimen #62 from the collection of Eudore Toussaint, a Belgian Chemical Engineer in the D.R.Congo from 1948 to 1971. It comes with the original old wood socle from the collection.

Mineral Data
What's on the rock

Tennantite

Formula: 
Cu6[Cu4(Fe,Zn)2]As4S13
Strunz: 
2.GB.05
Crystal System: 
Isometric
Hardness: 
3.0 - 4.5
Type Locality: 
Cornwall, England, UK

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

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