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
