Nature's Picks
600 E. Cloverland Drive (US 2),
Ironwood, Michigan, 49938
Phone; 906-932-7340
Email; rocks@naturespicks.com
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I apologize for any misinformation or ill representation in the content of this website.
Please feel free to inform me if I’ve goofed - John
"Greenstone" or Chlorastrolite is Michigan's State Gem,
it is a variety of the mineral pumpellyite and is found chiefly as a small, green,
rounded beach pebble with a "turtleback" pattern.
Although Greenstone is a very rare mineral, it can still be
found on Isle Royale and in some of the mine waste piles of the Copper Country.