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Autunite

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Watches:
MGR213398

Autunite

Description Tabs

Description
Locality: 
Tragos, Chãs de Tavares, Mangualde, Viseu District, Portugal
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 4.2 × 3.2 cm
Description

Rare material from this uncommon locality - most of the white matrix is covered with sharp thin-tabulat crystals, which are all very glossy. I show full dimension photo and several close-ups, also one photo of specimen under UV light. Even under daylight the color is neon-green, under UV the color becomes even more intense. Undamaged.

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