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Uranophane-β

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CHA572111

Uranophane-β

Classic Locality

Description Tabs

Description
Locality: 
Margnac II Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, France
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.5 × 0.3 × 0.2 cm
Description

specimen with beautiful yellow ceystals of uranophane-beta on matrix,from the personal collection of Luigi Chiappino

Mineral Data
What's on the rock

Uranophane-β

Formula: 
Ca(UO2)2(HSiO4)2·5H2O
Strunz: 
9.AK.15
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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