Description To see a video of this boulder opal please click on link below https://www.instagram.com/reel/CsW_be5gJAR/?utm_source=ig_web_button_share_sheet&igshid=MzRlODBiNWFlZA== River of pastel green runs through this natural Australian boulder opal from our mine in western Queensland. It has a flat face which has been highly polished. Stone size: 18mm long x 9mm wide x 3.5mm thick and weighs 4.55cts
