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► Size: approximately 30-40 mm
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► Material:Yooperlite
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► Weight:50g
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► Introduction:This rock is fluorescent Sodalite that was recently discovered in upper Michigan. Scientist believe they were brought down from Canada by glaciers. Sodalite is a rare rock-forming mineral found in igneous and metamorphic rocks. Its color makes it desirable for use as a gemstone, an ornamental stone, and an architectural material as they glow under UV lights!