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Carrollite & Germanite

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JYJ740457

Carrollite & Germanite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 1.6 × 0.5 cm
Description

Polished section hosting carrollite, chalcocite and germanite. 

Analysis attached.

Mineral Data
What's on the rock

Carrollite

Formula: 
Cu(Co,Ni)2S4
Strunz: 
2.DA.05
Crystal System: 
Isometric
Hardness: 
4.5 - 5.5
Type Locality: 
Patapsco mine (Finksburg Mine; Orchard Mine), Patapsco Mines, Finksburg, Sykesville, Carroll Co., Maryland, USA

Germanite

Formula: 
Cu13Fe2Ge2S16
Strunz: 
2.CB.30
Crystal System: 
Isometric
Hardness: 
4.0
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia