Mineral: Autunite and Metaautunite
Locality: Senhora da Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu District, Portugal
Dimensions: 17 x 11.5 x 8 cm

Description: Mass: 768 g MIM number:1751 Granitic rock covered on one side with bright yellow crystals and on the other side with yellow-green crystals, both very fluorescent under UV light Photographer: AINU / Augustin de Valence Publication: "Le Règne Minéral: Nov-Dec 2015"

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