October 13, 2023
5.8G of Greenstone, chlorastrolite, Isle Royale, Keweenaw, Pumpellyite
Pricing & History
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Isle Royale Greenstone, found near Copper Harbor in Michigan’s Keweenaw Peninsula in the Upper Peninsula of Michigan, the only place in the world where it can be found and collected. This area has now been crushed for road gravel. Get yours now before they are gone.
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