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Torbernite & Quartz

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SCH29875

Torbernite & Quartz

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Description
Locality: 
Mangualde, Viseu District, Portugal
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 3.3 × 3.1 cm
Description

Good deep green torbernite crystal groups scattered over milky-grey quartz crystals.

All the main quartz crystals are undamaged, with some very minor damages at outer edges.

Aesthetic!

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

Quartz

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

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