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Calcioandyrobertsite

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WND830153

Calcioandyrobertsite

Rare Mineral - Type Locality
Classic Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 0.7 × 0.9 cm
Description

From the Thorsten Heuser Collection a rare specimen of blue Calcioandyrobertsite on matrix. This rare material is hard to come by and consequently a exceeding sought after species.

Mineral Data
What's on the rock

Calcioandyrobertsite

Formula: 
KCaCu5(AsO4)4(H2AsO4)·2H2O
Strunz: 
8.DH.50
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
Wendel Minerals

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