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Plancheite With Malachite

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DVE90478

Plancheite With Malachite

Ex-David J. Eicher Collection

Description Tabs

Description
Locality: 
Kambove, Haut-Katanga, DR Congo
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 3 × 2.2 cm
Description

Nice specimen of this rare copper silicate from a classic locality, with powder-blue crystal aggregates accompanied by minor malachite.

Choice! .

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)

Malachite

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

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