Australasia Australia Tasmania 3171 Magnesio-Arfvedsonite, Aegerine, Microcline, Opal, Grossular, Vesuvianite, The Lea, near Kingston, Tasmania October 3, 2019
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 New South Wales ncat VHD3, Opal, Lightning Ridge, New South Wales November 17, 2019
Georgia (US) North and Central Americas United States 5562 Opal, Girard, Girard District, Burke Co., Georgia, USA October 5, 2019
