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Autunite

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TPX835057

Autunite

Radioactive

Description Tabs

Description
Locality: 
Assunção Mine, Aldeia Nova, Sátão, Viseu District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.5 × 1 cm
Weight: 
5.00gr
Description

Interesting specimen of autunite crystals on quartz from this classic Portuguese site. Autunite is extremely fluorescent under UV light, as you can see in the last photo.

Mineral Data
What's on the rock

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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