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Johillerite

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SER900919

Johillerite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Genna Zinc Smelter, Letmathe, North Rhine - Westphalia, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1 × 0.9 cm
Description

several green crystals of johillerite

Mineral Data
What's on the rock

Johillerite

Formula: 
Na(Mg,Zn)3Cu(AsO4)3
Strunz: 
8.AC.10
Hardness: 
3.0
Colour: 
Violet
Streak: 
White
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia