This lot consist of three boulder opals from the Qulipie mines in Queensland, Australia. The larest one, the green one, is 1.3cm long and 8mm wide. The lighter blue one is 1.1cm long and 7mm wide, and the smallest one, the darker blue one, is 1cm long and 6mm wide. Together they weigh 8.8 carat. All three are polished on the surface, display strong colours throughout and are backed by the natural ironstone, on which they formed.