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Plancheite

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PDM782614

Plancheite

Classic Locality

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Description
Locality: 
Kamoya, Kambove, Haut-Katanga, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 3.4 × 2.2 cm
Description

Nice aggregate composed almost exclusively by acicular crystals of plancheite lining geodes, with a nice light blue botryoidal velvety surface, partially covered by black heterogenite. Aesthetic piece from the Kamoya mine, a locality that is rarely represented in collections.

Old specimen, perfectly located because it was collected before 1968 by Martíal Borzee (with a handwritten label), a Belgian engineer to Congo.

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)

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