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.
Apophyllite, Stilbite
Gem Green Apophyllite
Pashan Hill Quarry, Poona District, Maharashtra, I...
Calcite, Apophyllite
Calcite on Apophyllite - Gemmy, Honey-Yellow Twinned Calcite on Sparkling, Sculptural Matrix - a Jalgaon Classic
Jalgaon District, Nashik Division, Maharashtra, In...
