(Internal #J479)  You are bidding on a long oval teardrop shaped, polished Ammolite fossil cabochon, 15/16" long x 5/8" wide, mosaic ammonite (mosaic created in a very labor intensive process of taking the natural bits of ammonite shell, piecing together in a triplet, very stable). Rivals ANY black opal!  Nice for making jewelry or as a display specimen.
 
For guy or gal, an awesome one-of-a-kind gift.
 
AMMOLITE CABOCHONS for jewelry:  more precious than opals, these ancient pieces of shell fossils (ammonites a/k/a Chambered Nautilus Shells)  from Canada absorbed the natural earth element aragonite when they fossilized which created these fantastic colors.  See last photo for example of colors.
 
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