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Uranosphaerite

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GFM617109

Uranosphaerite

Rare Mineral

Description Tabs

Description
Locality: 
Christa Mine, Großschloppen, Kirchenlamitz, Upper Franconia, Bavaria, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
0.8 × 1 × 0.6 cm
Description

this rare bismuth-uranium-oxide forms orange crystal aggregates of 2 mm, together with yellow acicular 1 cm crystal aggregates of uranophane, on large fracture zones in quartz matrix

Mineral Data
What's on the rock

Uranosphaerite

Formula: 
Bi(UO2)O2(OH)
Strunz: 
4.GB.65
Crystal System: 
Orthorhombic
Hardness: 
2.0 - 3.0
Type Locality: 
Walpurgis Flacher vein, Weißer Hirsch Mine (Shaft 3), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany
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