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Marécottite & Uranopilite

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JYJ662663

Marécottite & Uranopilite

Description Tabs

Description
Locality: 
La Creusa, Les Marécottes, Le Trient Valley, Valais, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.8 × 2.8 cm
Description

Intense yellow P-XRD confirmed uranopilite and orange marecottite (P-XRD confirmed) from the type locality!

Analysis attached!

 

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

Uranopilite

Formula: 
(UO2)6(SO4)O2(OH)6·14H2O
Strunz: 
7.EA.05
Crystal System: 
Monoclinic
Hardness: 
0.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Analysis
Analysis Report - only: Marécottite & Uranopilite
Analysis Report - only: Marécottite & Uranopilite