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Metatorbernite On Quartz

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MMM35089

Metatorbernite On Quartz

Radioactive

Description Tabs

Description
Locality: 
Old Gunnislake Mine, Calstock, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2 × 1 cm
Description

Old time specimen displaying two areas of crystalline metallic torbernite attached to a single quartz crystal which is partly covered in iron oxides.

Mineral Data
What's on the rock

Metatorbernite

Formula: 
Cu(UO2)2(PO4)2·8H2O
Strunz: 
8.EB.10
Hardness: 
2.5
Type Locality: 
Schneeberg District, Erzgebirge, Saxony, Germany

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White