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Malachite Plancheite & Calcite

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RAF174017

Malachite Plancheite & Calcite

Fluorescent

Description Tabs

Description
Locality: 
Mashamba West Mine, Kolwezi, Lualaba, DR Congo
Size Range: 
Cabinet (10-18 cm)
Size: 
12 × 6.3 × 4 cm
Description

A nice solid formation of fibrous malachite with plancheite and calcite crystals. The matrix has been shaped with a trim saw. Came from Mashamba West, Congo. Fluorescent mineral. Weight: 318 gr

Mineral Data
What's on the rock

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

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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