Australasia Australia South Australia 4540 Opal (Hyalite), Mixite, Dome Rock Copper Mine, Olary Province, South Australia October 5, 2019
Australasia Australia South Australia 2836 Opal (Shell), Coober Pedy, South Australia October 3, 2019
Cornwall England United Kingdom 3784 Opal, Posnjakite, Langite, South Wheal Basset, Redruth, Cornwall, England October 3, 2019
