Product Details

This rainbow pyrite concretion features a natural spherical to irregular form with a metallic surface that shows iridescent coloration. The surface displays a mix of gold tones with flashes of color depending on the lighting, giving the piece a distinct appearance. Dimensions: 10.13 x 9.53 x 6.34 cm Weight: 21.8 oz (618 g) Locality: Volga River, Saratov, Russia Mineral(s): Pyrite ABOUT Pyrite concretions from the Volga River region in Russia form within sedimentary deposits, where mineralization occurs around a central point and grows outward over time. These concretions often develop rounded shapes and can show natural surface textures. Some pieces display iridescence due to surface oxidation, creating the rainbow effect. Material from this area is collected for its unique formation and metallic appearance.