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Compreignacite & Liebigite

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CSL128452

Compreignacite & Liebigite

Rare Mineral

Description Tabs

Description
Locality: 
Eureka Mine, Castell-estaó, La Torre de Cabdella, La Vall Fosca, Lleida, Catalonia, Spain
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 3.7 × 2 cm
Description

Two rare uranium species from spain. Compregnaceite forms yellow powdery aggregates, liebigite forms pale grey green crystalline crust on matrix.

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

Liebigite

Formula: 
Ca2(UO2)(CO3)3·11H2O
Strunz: 
5.ED.20
Crystal System: 
Orthorhombic Usually as granular or scaly crusts.
Hardness: 
2.5 - 3.0
Type Locality: 
Adrianople, Edirne Province, Marmara Region, Turkey
Loranth Minerals

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