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Tsumcorite With Tennantite & Wulfenite

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Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Size Range: 
Cabinet (10-18 cm)
Size: 
8.2 × 10.6 × 4.2 cm
Description

Specimen of large tennantite crystals to 25mm covered with fine bright yellow needles of tsumcorite with some dispersed orange wulfenite crystals across the piece.

Also to the back there is some unidentified white fibrous mineral along the boundary between the arsenate covered tennantite and the ?phlogopite backing matrix.

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

Tennantite

Formula: 
Cu6[Cu4(Fe,Zn)2]As4S13
Strunz: 
2.GB.05
Crystal System: 
Isometric
Hardness: 
3.0 - 4.5
Type Locality: 
Cornwall, England, UK

Wulfenite

Formula: 
Pb(MoO4)
Strunz: 
7.GA.05
Crystal System: 
Tetragonal
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Bad Bleiberg, Bleiberg District, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria
Provenance

Warren Taylor Collection

Thu, 2015-05-28 15:22 -- admin
Some History
Name: 
Warren Taylor
Dates: 
1950- 
Present
Type: 
Collector/Collection
Specialisms: 
Tsumeb, Gemstones
About

Warren Taylor was born in South Africa and studied chemical engineering in Durban. His engineering studies included a...

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