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Tsumcorite & Mimetite

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RHT156253

Tsumcorite & Mimetite

Rare Mineral

Description Tabs

Description
Locality: 
Hohenstein, Reichenbach, Odenwald, Bergstraße, Darmstadt, Hesse, Germany
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3 × 3 cm
Description

Grayish-brown to brown tsumcorite with some colorless to beige mimetite crystals on this vuggy specimen. Quite rare.

Mineral Data
What's on the rock

Tsumcorite

Formula: 
Pb(Zn,Fe3+)2(AsO4)2·2(H2O,OH)
Strunz: 
8.CG.15
Crystal System: 
Monoclinic
Hardness: 
4.5
Streak: 
Yellow
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Mimetite

Formula: 
Pb5(AsO4)3Cl
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Treue Freundschaft Mine, Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany