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Widenmannite & Joliotite

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JYJ889689

Widenmannite & Joliotite

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Description Tabs

Description
Locality: 
Giftkies Adit, Jáchymov, Krušné Hory, Karlovy Vary Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 3 × 2.3 cm
Description

Pale yellow to colourless widenmannite spheres with wax-like joliotite in gypsum. 

SEM-EDS & XRD conf. no 3334-3337.

 

Mineral Data
What's on the rock

Widenmannite

Formula: 
Pb2(OH)2[(UO2)(CO3)2]
Strunz: 
5.ED.40
Hardness: 
2.0
Type Locality: 
Michael Mine, Weiler, Reichenbach, Lahr, Black Forest, Baden-Württemberg, Germany

Joliotite

Formula: 
(UO2)CO3·nH2O
Strunz: 
5.EB.15
Hardness: 
0.0
Type Locality: 
Krunkelbach Valley Uranium deposit, Menzenschwand, Black Forest, Baden-Württemberg, Germany