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Grimselite & Čejkaite

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JYJ890877

Grimselite & Čejkaite

Description Tabs

Description
Locality: 
Rovnost Mine, Jáchymov, Krušné Hory, Karlovy Vary Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.4 × 0.7 cm
Description

Analysed grimselite with filigrane cejkaite from the Rovnost mine, Jachymov, Czech Republic. 

 

Mineral Data
What's on the rock

Grimselite

Formula: 
K3Na(UO2)(CO3)3·H2O
Strunz: 
5.ED.35
Crystal System: 
Hexagonal
Hardness: 
0.0
Type Locality: 
Gerstenegg-Sommerloch tunnel, Gerstenegg, Grimsel area, Hasli Valley, Bern, Switzerland

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