4540 Opal (Hyalite), Mixite, Dome Rock Copper Mine, Olary Province, South Australia October 5, 2019 Steve Australasia Australia South Australia Margaret Brown
Australasia Australia Victoria 8068 Opal, Pyrite, Unidentified Species, Wolfram Mine, Pittong, Victoria October 5, 2019
Europe Greece ncat JP1953 Mixite, Cu-Annabergite, Lavrion District Mines, Lavrion District (Laurion; Laurium), Attiki Prefecture (Attica; Attika), Greece October 11, 2019
Australasia Australia Western Australia 5104 Opal, Yinnietharra Station, Gascoyne, Western Australia September 29, 2019
