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Compreignacite & Joliotite

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JYJ799830

Compreignacite & Joliotite

XRD & EDS confirmed material

Description Tabs

Description
Locality: 
Uranus Mine, Kleinrückerswalde, Annaberg-Buchholz, Erzgebirge, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.3 × 0.7 cm
Description

XRD & EDS confirmed yellow fine crystalline compreignacite rhombs with glassy yellow joliotite (PXRD confirmed) and gypsum. 

Rare minerals. 

Mineral Data
What's on the rock

Compreignacite

Formula: 
K2(UO2)6O4(OH)6·7H2O
Strunz: 
4.GB.05
Crystal System: 
Orthorhombic
Hardness: 
0.0
Type Locality: 
Margnac Mine, Compreignac, Haute-Vienne, Limousin, France

Joliotite

Formula: 
(UO2)CO3·nH2O
Strunz: 
5.EB.15
Hardness: 
0.0
Type Locality: 
Krunkelbach Valley Uranium deposit, Menzenschwand, Black Forest, Baden-Württemberg, Germany
Analysis
Analysis Report - only: Compreignacite & Joliotite
Analysis Report - only: Compreignacite & Joliotite
Analysis Report - only: Compreignacite & Joliotite