Description To see a video of this opal please click on link http://www.instagram.com/p/CL4468mha8C/ Thick natural Australian boulder opal in soft blue with flashes of green. This opal was mined in the Quilpie mining district of western Queensland. Stone size: 15.6mm long x 4.3mm wide x 3.4mm thick and weighs 1.70cts
