Description To see a video of this opal please click on this link: https://www.instagram.com/opalendeavoursshop/reel/C3oPZK8SDpn/ Green flashes are seen in this natural Australian pipe opal from Queensland. It is from the Koroit opal field in western Queensland. Stone size: 13mm long x 10.5mm wide x 4mm thick and weighs 6.94cts
