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Brochantite

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PDM704708

Brochantite

Description Tabs

Description
Locality: 
Kabolela Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.2 × 4.3 cm
Description

A geode in a cuprite matrix completely filled by well-formed, green acicular crystals of brochantite of very good lustre. Uncommon locality specimen, well catalogued by Achiel Moors, a Belgian colonist in the D.R.Congo from 1957 to 1972.

Mineral Data
What's on the rock

Brochantite

Formula: 
Cu4(SO4)(OH)6
Strunz: 
7.BB.25
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Mednorudyanskoye Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

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