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Compreignacite & Masuyite

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JYJ912804

Compreignacite & Masuyite

Description Tabs

Description
Locality: 
Margnac Mine, Compreignac, Haute-Vienne, Nouvelle-Aquitaine, France
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1 × 0.8 cm
Description

Orange masuyite crystals with transparent yellow compreignacite and uranophane. 

SEM-EDS & SXRD confirmed no 1467. 

 

Mineral Data
What's on the rock

Compreignacite

Formula: 
K2(UO2)6O4(OH)6·7H2O
Strunz: 
4.GB.05
Crystal System: 
Orthorhombic
Hardness: 
0.0
Type Locality: 
Margnac Mine, Compreignac, Haute-Vienne, Limousin, France

Masuyite

Formula: 
Pb(UO2)3O3(OH)2·3H2O
Strunz: 
4.GB.35
Crystal System: 
Monoclinic
Hardness: 
0.0
Type Locality: 
Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)