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Cobaltoan Dolomite With Malachite

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PDM832264

Cobaltoan Dolomite With Malachite

Description Tabs

Description
Locality: 
Mashamba West Mine, Kolwezi, Lualaba, DR Congo
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.6 × 5.5 × 2.5 cm
Description

Translucent dolomite crystals with an external layer of attractive bright pink cobalt-bearing dolomite. They cover richly different vugs of the matrix and are associated to bundles of green fibrous malachite.

Colourful specimen that was collected at Mashamba by Achiel Moors, a Belgian colonist in the D.R.Congo from 1957 to 1972.

Mineral Data
What's on the rock

Cobaltoan Dolomite

Variety Of: 

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Hardness: 
3.5 - 4.0
Formula: 
(Ca,Mg,Co)CO3
Hardness: 
0.0

Malachite

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

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