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Plancheite & Calcite

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ESM209878

Plancheite & Calcite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.1 × 5 × 2.5 cm
Description

Light blue plancheite botryoidal crystals on calcite Ex. Grosch collection

Mineral Data
What's on the rock

Plancheite

Formula: 
Cu8(Si8O22)(OH)4·H2O
Strunz: 
9.DB.35
Crystal System: 
Orthorhombic
Hardness: 
6.0
Type Locality: 
Sanda carriere (Sanda quarry; Sanda Mine), Mindouli, Mindouli District, Pool Department, Republic of Congo (Brazzaville)

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White
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