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.
Tourmaline (Elbaite), Quartz (Smoky), Albite
Large Watermelon Tourmaline with Smoky Quartz and Albite
Paprok, Kamdesh District, Nuristan Province, Afgha...
Garnet (Spessartine), Quartz (Smoky)
Spessartine Garnet on Smoky Quartz
Wushan Spessartine Mine, Tongbei-Yunling District,...
