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Johillerite

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Johillerite

Type Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.07 × 0.02 × 0.02 cm
Description

Very small pale violet single crystal of the extremely rare Johillerite from the type locality in Tsumeb. 

Johillerite was labeled as R in Gebhard Tsumeb II book (Rare , several occurrences with a few specimens).

Only the original pocket was discovered in Tsumeb, plus two additional very small occurrences in the deepest extension of the second oxidation zone (Namibia , Minerals and Localities II, p.328). This specimen is probably from the original pocket.

Don't miss the opportunity to get this extreme and very sought after rarity ! No more specimens are available !

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

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