Mineral: Meta-autunite
Locality: Daybreak Mine, Mount Kit Carson, Spokane County, Washington, USA
Dimensions: 17 x 12.5 x 8 cm / main crystal: 2.5 cm

Description: Mass: 1150 g MIM number: 1546 Intact block covered with thick tufts of dark green lamellar crystals. These crystals exhibit strong green fluorescence in ultra-violet light. Photographer: AINU / Augustin de Valence Publication: "Minéraux - Le Guide des Passionnés" Ex collection: Mark Weil (USA)

All pictures, text, design © Forum FMF 2006-2025