1400 Opal, Yowah, Queensland September 22, 2019 Steve Australasia Australia Queensland Click for full sized image…
Australasia Australia South Australia 4540 Opal (Hyalite), Mixite, Dome Rock Copper Mine, Olary Province, South Australia October 5, 2019
Australasia Australia Victoria 3547 Namibite, Opal (Hyalite), Morass Creek, Benambra, Victoria 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
Asia Japan 15038 D23-1 Hokkaidoite, Opal, Shikaribetsu Lake, Shikaoi (Shikaoi-Chō), Kato District, Tokachi Subprefecture, Hokkaidō Prefecture, Japan July 30, 2024
