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Uranophane & Fluorite

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SYA821731

Uranophane & Fluorite

Radioactive
Classic Locality

Description Tabs

Description
Locality: 
Marienschacht Mine, Wölsendorf, Bavaria, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1 cm
Description

Bright yellow uranophane crystals on purple fluorite variety Stink-Fluss.

 

Rare old-time specimen from the 1970s of this unusual combination.

Ex Dipl. Min Manfred Schaeffer, Göttingen (now Detmold)

Mineral Data
What's on the rock

Uranophane

Formula: 
Ca(UO2)2[HSiO4]2·5H2O
Strunz: 
9.AK.15
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Miedzianka (Kupferberg), Jelenia Góra District, Rudawy Janowickie Mts, Lower Silesia (Dolnośląskie), Poland

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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