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Greenockite & Smithsonite

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CR65920

Greenockite & Smithsonite

Rare Mineral

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.7 × 2.6 cm
Largest Crystal: 
0.10cm
Description

Hexagonal brown microcrystals up to 1 mm of greenockite on galena matrix between and partely under pale brown smithsonite crystals.

A specimen of the rare cadmium sulfide from Tsumeb.

 

Mineral Data
What's on the rock

Greenockite

Formula: 
CdS
Strunz: 
2.CB.45
Hardness: 
3.0 - 3.5
Type Locality: 
Bishopton tunnel, Bishopton, Strathclyde (Renfrewshire), Scotland, UK

Smithsonite

Formula: 
ZnCO3
Strunz: 
5.AB.05
Hardness: 
4.0 - 4.5
Streak: 
White