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Defernite & Copper

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UVM594535

Defernite & Copper

Classic Locality

Description Tabs

Description
Locality: 
Kombat Mine, Grootfontein, Otjozondjupa Region, Namibia
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 2 × 1.8 cm
Description

A rich specimen of defernite from the Kombat Mine.   This specimen features bladed cleavages of defernite in matrix, with shiny bits of native copper showing through the defernite and outcropping in matrix.   A fine example of this 2 locality species.

Mineral Data
What's on the rock

Defernite

Formula: 
Ca6(CO3)2-x(SiO4)x(OH)7(Cl,OH)1-2x (x<0.5)
Strunz: 
5.BA.25
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Güneyce-Ikizdere, Rize Province, Black Sea Region, Turkey

Copper

Formula: 
Cu
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

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Start 19 May 18:00
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