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Tsumcorite Segnitite & Mawbyite

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PJM102389

Tsumcorite Segnitite & Mawbyite

Description Tabs

Description
Locality: 
Block 14 Opencut, Broken Hill, Yancowinna County, New South Wales, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.4 × 4.4 × 2.2 cm
Description

Small bright yellow rosettes and isolated single crystals of tsumcorite on a bed of yellow green segnitite and reddish orange mawbyite crystals. This specimen is rich in segnitie/beudantite and mawbyite and was collected in Block 14 ore dumped at the Pinnacles Mine.

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

Segnitite

Formula: 
PbFe3+3(AsO4)2(OH,H2O)6
Strunz: 
8.BL.10
Crystal System: 
Trigonal
Hardness: 
4.0
Type Locality: 
Kintore opencut, Broken Hill, Yancowinna Co., New South Wales, Australia

Mawbyite

Formula: 
Pb(Fe3+,Zn)2(AsO4)2·2(OH,H2O)
Strunz: 
8.CG.15
Hardness: 
4.0
Type Locality: 
Kintore opencut, Broken Hill, Yancowinna Co., New South Wales, Australia
Earthstones Australia

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