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Čejkaite

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FNW41874

Čejkaite

Rare Mineral

Description Tabs

Description
Locality: 
Eureka Mine, Castell-estaó, La Torre de Cabdella, La Vall Fosca, Lleida, Catalonia, Spain
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 2 × 0.6 cm
Description

Very rare specimen of yellow cejkaite crystals on matrix.
Litlle piece but very rich on this uranyl carbonate.
This deposit becomes the second in the world where it has been found this very rare mineral.

Mineral Data
What's on the rock

Čejkaite

Formula: 
Na4(UO2)(CO3)3
Strunz: 
5.ED.50
Crystal System: 
Triclinic
Hardness: 
0.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Fine Minerals World