This is an 18mm oval white manmade Opal cabochon, marketed by the item; synthetic, synthetic opal from Japan, quite possibly reduced and also polished; oblong, 18mm x 13mm x 4mm thin; gorgeous full fire; ideal for great precious jewelry; not ended up jewelry; item shipped could differ somewhat; 1 specified acquires 1 cabochon, 2 gets 2 taxicabs, etc
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