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Wölsendorfite & Fourmarierite

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ESM566130

Wölsendorfite & Fourmarierite

Description Tabs

Description
Locality: 
Zálesí, Javorník, Jeseník, Olomouc Region, Czech Republic
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 2.2 × 1.4 cm
Description

Red fourmarierite  and orange wölsendorfite crystals on matrix

Mineral Data
What's on the rock

Wölsendorfite

Formula: 
(Pb,Ca)U2O7·2H2O
Strunz: 
4.GB.30
Hardness: 
5.0
Type Locality: 
Wölsendorf Fluorite Mining District, Upper Palatinate, Bavaria, Germany

Fourmarierite

Formula: 
Pb(UO2)4O3(OH)4·4H2O
Strunz: 
4.GB.25
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 4.0
Type Locality: 
Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)