opal whiteImitatiopn opal, cabochon oval Subgroups opal nameØtypeType of cutPUitem No.opal6,0x4,0mmsyntheticCabochon ovale1488296opal8,0x6,0 mmsyntheticCabochon ovale1488298opal10,0x8,0 mmsyntheticCabochon ovale1488290