Description To see a video of this boulder opal please click on link below https://www.instagram.com/p/CqomRELyudc/?utm_source=ig_web_copy_link&igshid=MzRlODBiNWFlZA== Beautiful rich multicolours sparkle from this natural Australian boulder opal from our mine in western Queensland. There is also a hint of orange and royal blue amongst the green. It has an undulating surface where we have followed the opal vein using fine tools. It is highly polished. Stone size: 18mm long x 12mm wide x 3mm thick and weighs 5.75cts
