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Uranospinite & Erythrite

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SMM746722

Uranospinite & Erythrite

Description Tabs

Description
Locality: 
Schmiedestollen, Wittichen, Black Forest, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1 × 0.7 cm
Description

Groups of thik and thin, pale yellow tabular crystals of uranospinite and together small tufts of pink erythrite. Rare for this locality. Good specimen.

Boxed with Label
Mineral Data
What's on the rock

Uranospinite

Formula: 
Ca(UO2)(AsO4)2·10H2O
Strunz: 
8.EB.05
Crystal System: 
Tetragonal
Hardness: 
2.0 - 3.0
Type Locality: 
Walpurgis Flacher vein, Weißer Hirsch Mine (Shaft 3), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany

Erythrite

Formula: 
Co3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
1.5 - 2.5
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany

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