Fossilization on emerald, in this case a Gastropod, is very, very, rare. On the surface of he fossil, with the recrystallization of emerald there are also small but easily distinguishable crystals of Pyrite.
Matecaña, El Diamante, Gachalá, Cundinamarca, Colombia.
Found in 03/2006
Specimen size: 1.3 x 1.1 x 0.9 cm
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