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Marécottite & Gypsum

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CZM124704

Marécottite & Gypsum

Radioactive

Description Tabs

Description
Locality: 
Jáchymov, Krušné Hory, Karlovy Vary Region, Czech Republic
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 3 × 1.3 cm
Description

Nice yellow crystal aggregate of marécottite together with colourless gypsum crystals.

Mineral Data
What's on the rock

Marécottite

Formula: 
Mg3(UO2)8(SO4)4O6(OH)2·28H2O
Strunz: 
7.EC.15
Crystal System: 
Triclinic
Hardness: 
3.0 - 0.0
Streak: 
colorless
Type Locality: 
La Creusa U prospect (La Creusaz U prospect), Les Marécottes, Le Trient Valley, Wallis (Valais), Switzerland

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

Seller Information

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