ncat VHD3, Opal, Lightning Ridge, New South Wales November 17, 2019 Steve Australasia Australia New South Wales TBA
North and Central Americas United States Utah 3654 Weeksite, Opal, Autunite No 8 Claim, Thomas Mountains, Juab Co, Utah, USA April 27, 2023
Australasia Australia Western Australia 5104 Opal, Yinnietharra Station, Gascoyne, Western Australia September 29, 2019
Australasia Australia Queensland 1724 Quartz, Opal(ised Wood), Springsure, Queensland September 22, 2019
