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Torbernite & Autunite

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SMM783712

Torbernite & Autunite

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Description
Locality: 
Assunção Mine, Aldeia Nova, Sátão, Viseu District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.2 × 0.4 cm
Description

Green tabular crystals of torbernite and yellow tabular autunite from this classic location. 

Boxed with Label
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

Autunite

Formula: 
Ca(UO2)2(PO4)2·11H2O
Strunz: 
8.EB.05
Crystal System: 
Tetragonal
Hardness: 
2.0 - 2.5
Type Locality: 
Saint-Symphorien-de-Marmagne, Montcenis, Saône-et-Loire, Burgundy, France

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