1400 Opal, Yowah, Queensland September 22, 2019 Steve Australasia Australia Queensland Click for full sized image…
Australasia Australia New South Wales 5666 Opal, Lightning Ridge, Finch Co., New South Wales May 2, 2020
Asia Japan 15038 D23-1 Hokkaidoite, Opal, Shikaribetsu Lake, Shikaoi (Shikaoi-Chō), Kato District, Tokachi Subprefecture, Hokkaidō Prefecture, Japan July 30, 2024
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 Tasmania 3171 Magnesio-Arfvedsonite, Aegerine, Microcline, Opal, Grossular, Vesuvianite, The Lea, near Kingston, Tasmania October 3, 2019
