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Churchite-(Y) & Autunite

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JYJ908885

Churchite-(Y) & Autunite

Description Tabs

Description
Locality: 
Geister Vein, Rovnost Mine, Jáchymov, Karlovy Vary Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.8 × 2 cm
Description

White broken churchite-(Y) sphere with many brown autunite and minor zeunerite from the Geister vein, Rovnost, Jáchymov, Czech Republic. 

SEM-EDS confirmed no 1535. Comes with a colour printed analysis. 

 

Mineral Data
What's on the rock

Churchite-(Y)

Formula: 
Y(PO4)·2H2O
Strunz: 
8.CJ.50
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Maffei Mine (Nitzelbuch Mine), Nitzlbuch (Nitzelbuch), Auerbach, Upper Palatinate, Bavaria, Germany

Autunite

Formula: 
Ca(UO2)2(PO4)2·11H2O
Strunz: 
8.EB.05
Crystal System: 
Tetragonal
Hardness: 
2.0 - 2.5
Type Locality: 
Saint-Symphorien-de-Marmagne, Montcenis, Saône-et-Loire, Burgundy, France