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Grimselite

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AMM958347

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: 
2.3 × 1.8 × 1.6 cm
Description

Excellent and richly decorated specimen with yellow elongated grimselite crystal aggregates.

Grimselite is only known from five localities worldwide. Rare.

From the collection of Luc VANDENBERGHE, longtime mindat member and famous Belgian u-mineral collector. Specimen of a very well kept collection.

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

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Accepted payment methods: PayPal, bank transfer.

Money back guarantee is valid until 14 days after receiving the payment. The refund will be initiated immediately upon receiving the minerals back. Due to the return time, there may be a delay in the refund.