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Arsenbrackebuschite Tsumcorite & Mimetite

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UVM581858

Arsenbrackebuschite Tsumcorite & Mimetite

Rare Mineral

Description Tabs

Description
Locality: 
Ojuela Mine, Mapimi, Durango, Mexico
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.7 × 1.5 cm
Description

A rich thumbnail size specimen of arsenbrackebuschite with tsumcorite from the Ojuela Mine!   This specimen features sharp orange crystals of arsenbrackebuschite on a matrix with rootbeer brown tsumcorite, and a few colorless crystals of mimetite.   Very rare from Mina Ojuela.  

Mineral Data
What's on the rock

Arsenbrackebuschite

Formula: 
Pb2Fe3+(AsO4)2(OH)
Strunz: 
8.BG.05
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

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

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