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Gummite & Torbernite

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TPX657750

Gummite & Torbernite

Radioactive

Description Tabs

Description
Locality: 
Pinhal do Souto Mine, Tragos, Mangualde, Viseu District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 4 × 1.8 cm
Weight: 
24.00gr
Description

Very nice specimen of orange brownish gummite covered by a lot of little torbernite crystals on a quartz matrix.

Mineral Data
What's on the rock

Torbernite

Formula: 
Cu(UO2)2(PO4)2·12H2O
Strunz: 
8.EB.05
Crystal System: 
Tetragonal
Hardness: 
2.0 - 2.5
Type Locality: 
Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany

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