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Arsenuranospathite & Uraninite

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SMM878532

Arsenuranospathite & Uraninite

Classic Locality

Description Tabs

Description
Locality: 
Menzenschwand, St Blasien, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 2 cm
Description

Wonderful bundle of pale yellow prismatic arsenuranospathite crystals stand out on quartz made reddish by iron oxides. In the back the vugs are sprinkled with minute, shiny black uraninite crystals (pitchblende). From the collection and with label of a prominent German systematic collector, comes from a classic German locality for uranium minerals. Very very good specimen!!

Boxed with Label
Mineral Data
What's on the rock

Arsenuranospathite

Formula: 
HAl(UO2)4(AsO4)4·40H2O
Strunz: 
8.EB.25
Crystal System: 
Tetragonal
Hardness: 
2.0
Type Locality: 
Sophia Mine, Böckelsbach valley, Wittichen, Schenkenzell, Black Forest, Baden-Württemberg, Germany

Uraninite

Formula: 
UO2
Strunz: 
4.DL.05
Crystal System: 
Isometric
Hardness: 
5.0 - 6.0
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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