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Grimselite

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Grimselite

Radioactive

Description Tabs

Description
Locality: 
Rovnost Mine, Jáchymov, Krušné Hory, Karlovy Vary Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 0.7 × 0.6 cm
Description

specimen with some wonderfull radiating groups of yellow crystals of the rare grimselite on matrix

photos taken at only 20/40 enlargements!

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

Seller Information

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