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Plancheite & Baryte

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PDM749326

Plancheite & Baryte

Description Tabs

Description
Locality: 
Kamoya, Kambove, Haut-Katanga, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.2 × 1.9 cm
Description

A very good aggregate of light blue plancheite with acicular crystals from Kamoya. Part of the group is partially covered by transparent tabular baryte crystals. Old, classic and uncommon Kamoya specimen that is in very good condition.

Collected before 1968 by Martíal Borzee, a Belgian colonist to Congo. Ex. Martíal Borzee specimen.

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)

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White

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