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.
Calcite, Apophyllite
Calcite on Apophyllite - Gemmy, Honey-Yellow Twinned Calcite on Sparkling, Sculptural Matrix - a Jalgaon Classic
Jalgaon District, Nashik Division, Maharashtra, In...
