Mineral: Cuprite with Silver
Locality: Poteryaevskoe Mine, Rubtsovsky District, Altai Krai, Russia
Dimensions: 3.5 × 3.2 × 3 cm

Description: Group of well defined octahedral crystals with slightly curved faces and edges and very rare spongy growths of native Silver in the interstices between crystals.

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