Isle Royale Greenstone, Chlorastrolite, Michigan's State Gem

This is a genuine specimen of chlorastrolite, the treasured gemstone that represents Michigan's natural heritage. Forged within the ancient volcanic terrain of Isle Royale and the Keweenaw Peninsula, this polished stone reveals the distinctive starburst formations that make it so prized among collectors. Each piece captures the geological artistry of millennia, offering a tangible connection to the region's remarkable mineral legacy.