October 13, 2023
3 Piece Lot Michigan Greenstone Chlorastrolite Pumpellyite Isle Royale Cabochons
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Michigan Greenstone Cabochon3 Piece Lot10 x 8, 8 x 6, 10 x 12 mm (approximate)A beautiful cabochon ready to wire wrap or set as buyer desires. A rare stone of unique beauty.Michigan designated greenstone (chlorastrolite) as the official state gem in 1973. Chlorastrolite (a variety of the mineral pumpellyite) is a bluish-green stone with a pattern of slender, star-like crystals which results in a "turtle back" pattern. Some chlorastrolite includes other minerals, the pink parts are identified as thomsonite).Michigan greenstone (sometimes called Green Starstone or Turtle Back in Michigan) is usually found as bean-sized, rounded beach pebbles (collecting chlorastrolite from Isle Royale National Park is now prohibited since 1998). Polished stones are used for stickpins, rings, earrings, cufflinks, pendants, and sometimes incorporated into inlays and mosaics.Petoskey Stone is the Michigan State Stone, and Isle Royale Greenstone is the Michigan State GemstoneMichigan Greenstone are so striking with their stunning chatoyancy and handsome alligator-like pattern. People think of diamonds as rare, when, in fact, they are artificially scarce due to lack of free market sales and controls.Michigan Greenstones on the other hand are a one-source gemstone. Nowhere else in the world are Greenstones found other than in Michigan’s Keweenaw Peninsula
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