2836 Opal (Shell), Coober Pedy, South Australia October 3, 2019 Steve Australasia Australia South Australia
Australasia Australia Queensland 1724 Quartz, Opal(ised Wood), Springsure, Queensland September 22, 2019
Cornwall England United Kingdom 3784 Opal, Posnjakite, Langite, South Wheal Basset, Redruth, Cornwall, England October 3, 2019