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Gallite & Ovamboite

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JYJ721587

Gallite & Ovamboite

SEM-EDS confirmed sample

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 1.3 × 0.5 cm
Description

SEM-EDS conf. gallite (dark grey in polished section) with ovamboite (bright grey in polished section) among pyrite, chalcocite and renierite. 

Analysis attached, this material was cut, grinded with P1200 grit and diamond polished. 

The analysis section gives the EDS data for gallite (1st and 2nd image) and ovamboite (3rd image) and a polished section to assign the phases to the reflective light image. 

Mineral Data
What's on the rock

Gallite

Formula: 
CuGaS2
Strunz: 
2.CB.10a
Hardness: 
3.0 - 3.5
Colour: 
Grey
Type Locality: 
Kipushi Mine (Prince Léopold Mine), Kipushi, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Ovamboite

Formula: 
Cu20(Fe,Cu,Zn)6W2Ge6S32
Strunz: 
2.CB.30
Hardness: 
0.0
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
Analysis
Analysis Report - only: Gallite & Ovamboite
Analysis Report - only: Gallite & Ovamboite
Analysis Report - only: Gallite & Ovamboite
Analysis Report - only: Gallite & Ovamboite