Mineral: Vivianite
Locality: Huanuni Mine, Huanuni, Dalence Province, Oruro Department, Bolivia
Dimensions: 12 x 7.5 x 11.5 cm / main crystal: 11.8 cm

Description: Mass: 235 g MIM number:1773 Two perpendicular sheaves made of parallel translucent and well terminated green crystals. The ensemble looks similar to a cross and has developed on a microcrystalline pyrite blade. The vertical sheaf is naturally twisted. One face of each spray is slightly covered with bronze colored iron oxides. Photographer: AINU / Augustin de Valence Publication: "Paragénesis - Revista de Mineralogía 2019-2"

All pictures, text, design © Forum FMF 2006-2024