This piece of Fluorite crystal looks like it might contain the universe.... ...t the sales page makes it sound quite special:The Fluorite crystals are superbly developed as an intergrown... ...ls of Chalcopyrite are lightly sprinkled over the Fluorite crystals, adding more int...
https://www.neatorama.com/2012/11/26/Fluorite-Crystal/
Fluorite Crystal
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