Absolutely gorgeous open vug of basalt, with large, bright green, Prehnite crystals, with micro flecks of copper, and micro quartz crystals inside. Great piece from the Iroquois mine in Keweenaw, Michigan. Prehnite crystals are unusually large, and they are covered in micro quartz crystals.piece comes with a small acrylic stand and some mineral tac.
Measures approximately  1.8 x 1.3 x 1 inches.
All photos are taken in natural sunlight.
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