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 3547 Namibite, Opal (Hyalite), Morass Creek, Benambra, Victoria October 3, 2019
Europe Greece 9146 JP2300 Mixite, Barbara Mine, Agia Varvara Mines (St Barbara Mines), Sounion area, Lavrion District Mines, Lavrion District (Laurion; Laurium), Attiki Prefecture (Attica; Attika), Greece October 11, 2019
Cornwall England United Kingdom 3784 Opal, Posnjakite, Langite, South Wheal Basset, Redruth, Cornwall, England October 3, 2019
