Michigan's State Gem Chlorastrolite or Greenstone has a green silky chatoyancy, an alligator-like or turtleback-like pattern, sometimes with inclusions of other minerals such as Thomsonite, Datolite, or Prehnite. Formed in vesicles of volcanic basalt, Greenstones are often small, as in half the size of a pea! The stones we use for jewelry usua...
Michigan's State Gem Chlorastrolite or Greenstone has a green silky chatoyancy, an alligator-like or turtleback-like pattern, sometimes with inclusions of other minerals such as Thomsonite, Datolite, or Prehnite. Formed in vesicles of volcanic basalt, Greenstones are often small, as in half the size of a pea! The stones we use for jewelry usually started much larger, and have been ground down in search of the best display of pattern and shine, before they are beautifully wire-wrapped into jewelry for you using the best precious metals available. Greenstones have become quite scarce because old mine rock piles are being crushed and used for gravel. When you buy a Greenstone pendant, you are investing in jewelry of a rare gemstone.
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Michigan Greenstone (chlorastrolite) is a gemstone found in the Keweenaw Peninsula and on the Isle Royale National Park islands. The official state gemstone of Michigan, it is normally small and well-suited for bead earrings. The turtle-back or alligator skin patterns of green are characteristics looked for. Sometimes other minerals can also be found in the greenstone, such as thomsonite. Our earrings are constructed with 14/20 gold-fill and sterling silver.
Chlorastrolite was declared Michigan's State Gem, but it is only found in a small portion of the state, the far north. It comes from Isle Royale (now a National Park where collecting is prohibited) and from certain copper areas of the Keweenaw Peninsula which juts out into Lake Superior. Created by volcanic action the host rock is mineral rich and was first valued for the copper found there. While finding copper, miners also found these small nodules of green, and sometimes they would polish into gemstone beauties. These are the treasures we crave, starry, well-patterned with geometric, chatoyant variations of dark and light green, and sometimes some pink Thomsonite or other inclusions. Greenstones have become quite scarce because old mine rock piles are being crushed and used for gravel. When you buy a Greenstone, you are investing in a rare gemstone. Our stones are well polished and ready for use in rings or other jewelry.
Greenstone tie tacks for the distinguished man who needs a distinctive gem for his ties! Michigan Greenstone will bring great pleasure to wear (compared to other tie tacks)!
Like a jungle with some flowers blooming, Greenstone and pink Zeolite make a pretty display--a little Greenstone Jungle from the Isle Royale National Park in Lake Superior. Pretty and colorful, like the tropics!
If you have ever hunted agates, you will recognize what an exceptional Lake Superior Agate this is. Paired with Keweenaw Firebrick and Datolite, with Isle Royale Greenstone accents, this pendant is one-of-a-kind. The colors shimmer with coppery tones, the shapes draw you in, the agate banding astonishes—all together a true Keweenaw Splendor. Stunning...
Wish you had a nice Isle Royale Greenstone with Thomsonite in it? Plus with a red and white Laker and a white Datolite bead, and you can wear this pendant with glee! From Lake Superior shores, it would be hard to find three stones more sought after than these--you'll love showing them off1
Michigan's Isle Royale National Park is the source of this little treasure, collected decades ago. Delicately wrapped in 24 gauge Argentium silver wires, wrapped in gold fill, the stone shimmers with silky dark and light green chatoyant patterns. A great memento from a remote National Park. Buy and enjoy!
A large gemstone with greenstone floating in a pond of prehnite, wire wrapped in gold and argentium silver.
A tall Greenstone with classic alligator pattern is wire wrapped in 24 gaugue silver with wraps of gold.
If size and bragging right mean anything to you, this big 1 1/2 inch Michigan Greenstone is for you! Some Greenstones are shiny, some are speckled, most are tiny. This one is most notably large! How did it get to be so big, when most are tiny? We think this is a Manly size--You'll love having this in your jewelry assortment!, a great discussion stone...
How about starting your day with a double dose of Keweenaw stones? A brown water-level striped Lake Superior Agate with unique eye pairs up with an Isle Royale Greenstone in this pendant that will really make you smile all day. Enjoy the stone winking at your admirers!
A very nice rounded Michigan Greenstone with a good pattern makes a nicely-sized tie tack.
A slightly oval large cabochon of Michigan's State Gem Greenstone, chatoyant with an alligator pattern. 1.7grams Approximately 12mm x 15mm x 4mm
Like your Greenstones bigger? Here's a Greenstone treasure of nice size (3.6grams)! It has a shiny white calcite accent on the left, and very fine turtleback pattern all around, wire-wrapped in gold fill wire, for years of shine and enjoyment.
A perfectly patterned Petoskey Stone is sent over the top with 3 Isle Royale Greenstones! Hexagon shapes don't get any better than this, and the Greenstones are chatoyant and are speckled with Isle Royale Thomsonite. Love, love, love it! Michigan Love!
Need jewelry to boast about? Here is a Michigan State Stone and State Gem together for a special piece! It is rare to find a Michigan greenstone that can match up with a Petoskey Stone, due to the usual small size of most Greenstones. Here is a one-of-a-kind pendant the Michigan stone fan will wear and talk about!
Characteristic little Greenstone circles cover the surface of this Michigan Greenstone. The gemstone is encircled with argentium wires and banded with pink gold.
An Isle Royale greenstone combines with calcite and is wrapped in Argentium and gold wires.
A tall slim pink-strewn Isle Royale Greenstone shines brightly from an Argentium wire setting.
Jewelry from Isle Royale is hard to find. This tiny light green Isle Royale Greenstone is wire wrapped in gold, pink gold, and argentium wires and shines with pale chatoyancy.
A really nice green and pink Isle Royale greenstone is simply wire wrapped in pink gold with a touch of Argentium wires.
An Isle Royale Greenstone pendant features equal parts Greenstone and pink clouds of Thomsonite.
Do you like people to be Envious of your jewelry? This little Isle Royale Greenstone has a great pink center, a bonus sometimes foundin Isle Royale Greenstones. This Michigan State Gem is daintily wire wrapped in small gauge gold fill wires. Buy this beauty and enjoy!
Looking for an Isle Royale beauty? Here she is! Bits of pink are scattered across the greenstone like little flowers, the whole package securely wrapped in pink and yellow gold fill wires. This is a delight!
Cute as a button, this looks just the way you would want your greenstone to look-chatoyant small patterns across, and wrapped in gold wires. So nice!
A nice alligator pattern on a large greenstone is accented by both white calcite and pink Thomsonite in this unusual pendant. Wire wrap is all gold-very pretty.
Enjoy a shiny Isle Royale Greenstone wire wrapped in dainty gold fill wires. It’s a perfect reminder of Michigan’s National Park and our state gem. A great gift!