99 gram Polished Lattice Sunstone from Tanzania TZ1191 peru This pyrite cluster has great

This pyrite cluster has great luster and is from Navajun

continuing to glow briefly after exposure to light

Locality: Yakutia

The formation of dendritic opal involves the infiltration of mineral-rich water into rock cavities

99 gram Polished Lattice Sunstone from Tanzania TZ1191 peru This pyrite cluster has great99 gram Polished Lattice Sunstone from Tanzania Approx. Dimensions: 3x1. 5x0. 5 inches Approx. Weight: 99. 8 grams Locality: Tanzania Lattice sunstone from Tanzania is a rare and recently discovered variety of feldspar that features an iridescent, geometric grid pattern. While "Rainbow Lattice Sunstone" was once believed to be exclusive to the Harts Range in Australia, similar high quality material was discovered in the Hakkri and Arusha regions of