I bought this one, I like local stuff. It came from the Vulcan quarry in Racine WI. The gray phantom part is supposedly Marcasite.
Phantom Calcite from Racine WI
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Kray Gelder
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- Feb 24, 2017
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Wow, that's unique! Very cool specimen.
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DDancer
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- Mar 25, 2014
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Put a microscope on the grey bits and you may see the Marcasite crystals, I can see the specks that make the coloration. Nice phantoms.
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