Explore museum-quality mineral specimens from around the world. Each piece has been carefully selected by Grant Powell for its exceptional beauty, rarity, and scientific significance.
Hubnerite (Hübnerite), Quartz
Hübnerite with Quartz – Bladed Tabular Crystal on Sparkling Quartz Matrix, Mundo Nuevo Classic
Labor Teo, Mundo Nuevo, Huamachuco, La Libertad De...
