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Cadmian Smithsonite & Cerussite

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KCM99328

Cadmian Smithsonite & Cerussite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Size Range: 
Cabinet (10-18 cm)
Size: 
5 × 11.5 × 8.5 cm
Description

Cadmium and colorless smithsonite crystals richly cover the matrix. Under magnification you'll see that the cadmium smithsonite crystals are all phantoms, having a clear outer layer.

There are also some twinned cerussite crystals to 1 cm long present.

Mineral Data
What's on the rock

Cadmian Smithsonite

Variety Of: 

Smithsonite

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

Cerussite

Formula: 
PbCO3
Strunz: 
5.AB.15
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
3.0 - 3.5
Streak: 
White
Type Locality: 
Vicenza Province, Veneto, Italy
Kevin Conroy Minerals