Mineral: Phurcalite
Locality: Senhora da Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu District, Portugal
Dimensions: 10 x 7 x 15 cm

Description: Mass: 568 g MIM number:1765 Bright canary yellow phurcalite mingled with yellowish green tabular autunite coating a buff color quartz crystal with patches of black iron oxides. The phurcalite occurs as small spherules composed by the radial aggregation of acicular crystals, as well as in the form of minute tabular crystals. Photographer: AINU / Augustin de Valence

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