California North and Central Americas United States 5311 Plumbophyllite, Opal, Blue Bell Claims (C Adit), Baker, San Bernadino Co., California September 29, 2019
Australasia Australia Queensland ncat JP1772 Fluorite, Calcite, Opal, Monakoff Mine, Cloncurry, Cloncurry Shire, Queensland May 14, 2023
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 South Australia 2836 Opal (Shell), Coober Pedy, South Australia October 3, 2019
