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Malachite On Calcite

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WND791272

Malachite On Calcite

Classic Locality

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Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 4.2 × 2.2 cm
Description

What a fine combination piece of botryoidal intense green malachite perched on well developed meat-coloured to brown calcite. The perfectly idiomorph malachite consists of numerous acicular crystals. The razor sharp and mirror bright rhombs of calcite are showing a second generation of  tiny, glistening crystals of its species on some faces. A super contrastful and showy specimen, pristine on display side, backside was the rock.

Mineral Data
What's on the rock

Malachite

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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10
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Start 26 Jul 18:00
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Our Terms & Conditions can be found at:​ https://www.wendel-minerals.com/en/shop/agb.php

 

 

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