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Plancheite

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PDM763729

Plancheite

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Description
Locality: 
Kamoya, Kambove, Haut-Katanga, DR Congo
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2.4 × 2.1 cm
Description

Nice aggregate of light blue plancheite of acicular crystals and a botryoidal surface lining a geode. Aesthetic piece from the Kamoya mine, locality that is rarely represented in collections.

Old specimen, perfectly located because it was collected before 1968 by Martíal Borzee, 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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