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Greenockite & Smithsonite

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CR101928

Greenockite & Smithsonite

Rare Mineral

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 6 × 4.8 cm
Description

Thousands of very small microcrystals of gemmy yellow greenockite crystals all over the surface. With beautiful white smithsonite crystals.

You need a microscope to see the beautiful greenockite crystals.

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