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Richardsite & Ovamboite

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Richardsite & Ovamboite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.7 × 0.6 × 0.5 cm
Description

Polished section steel blue SEM-EDS & Raman confirmed richardsite associated with darker grey ovamboite (EDS conf.), renierite, pyrite and some germanite. 

Raman data for richardsite and renierite are very similar, but the color in reflected light and chemical data allow to distinguish the phases. 

 

Mineral Data
What's on the rock

Richardsite

Formula: 
Zn2CuGaS4
Crystal System: 
Tetragonal
Hardness: 
3
Colour: 
Dark Grey
Streak: 
Black
Type Locality: 
Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania

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: Richardsite & Ovamboite
Analysis Report - only: Richardsite & Ovamboite