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  2. rockchasing.com › michigan-rocks-minerals-gemsA Guide To Rocks, Minerals, & Gems of Michigan (With Photos)

    Jan 12, 2024 · Michigan State Rock: Petoskey Stone: Michigan State Mineral: Chlorastrolite: Michigan State Gem: Isle Royale Greenstone

  3. www.mlive.com › entertainment › erry-2018/04/64a09f0Why Michigan's gorgeous state gemstone is so rare - mlive.com

    Apr 20, 2018 · Michigan's state gem is as arrestingly beautiful as the Lake Superior shores where it's found -- and you won't find it anywhere else. Chlorastrolite, a variety of the mineral pumpellyite, is...

  4. howtofindrocks.com › rocks-and-minerals-in-michigan11 Common Rocks & Minerals You Can Find in Michigan

    Mar 27, 2024 · The Isle Royale Greenstone, Michigan’s state gem, is a rare mineral that’s also called “chlorastrolite.” These stones are variants of the mineral pumpellyte, and gem-quality stones are only found in Michigan and the surrounding areas.

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  6. www.geologyin.com › 2018 › 11Chlorastrolite: Michigan's Striking State Gemstone | Geology In

    The most famous source of Chlorastrolite is the Keweenaw Peninsula in Michigan, where it's the official state gemstone. You can find it along the Lake Superior shoreline, particularly near beaches like Agate Beach and Black Rocks.

    • What is the state gem of Michigan?1
    • What is the state gem of Michigan?2
    • What is the state gem of Michigan?3
    • What is the state gem of Michigan?4
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  8. www.allcrystal.com › articles › gemstones-in-michiganRockhounding Gemstones in Michigan: Where and How to Find

    Greenstone, Petoskey Stone, Leland Blue, Lake Superior Agate, Unakite, Datolite, Yooperlite, Puddingstone, and so much more can be procured from Michigan mines and shores. Michigan has an abundance of minerals that will delight and captivate any crystal enthusiast, making it a popular rockhounding destination.

    • What is the state gem of Michigan?1
    • What is the state gem of Michigan?2
    • What is the state gem of Michigan?3
    • What is the state gem of Michigan?4
    • What is the state gem of Michigan?5

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    • Chlorastrolite: Michigan's Striking State Gemstone - Geology In
    • Chlorastrolite: Michigan's Striking State Gemstone
    • Why Michigan's gorgeous state gemstone is so rare - mlive.com
    • Chlorastrolite: Michigan's Striking State Gemstone - Geology In

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  10. michrocks.org › michigans-symbols › state-gem-stoneCentral Michigan Lapidary and Mineral Society - State Gem Stone

    Michigan's State Gem Stone. Chlorastrolite. (Green Star Stone) Commonly called Greenstone. All it's names come from it's appearance. It varies from a light green, to a green so dark it is almost black, and due to it's property known as "chatoyance" (cats eye) it changes from one to the other as it is turned in the light.

  11. www.snobappealjewelry.com › blog › the-shades-andThe Shades and Patterns of Greenstone (Chlorastrolite)

    May 1, 2016 · Greenstone (Chlorastrolite) is the State Gem of Michigan. They are only found in the Keweenaw Peninsula and on Isle Royale (harvesting Greenstones in Isle Royale National Park is prohibited), with a few rolling up on North Shore beaches.

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