2461 Posnjakite, Hercules Mine, Williamsford, Tasmania September 22, 2019 Steve Australasia Australia Tasmania
Cornwall England United Kingdom 3784 Opal, Posnjakite, Langite, South Wheal Basset, Redruth, Cornwall, England October 3, 2019
Cumbria England United Kingdom 8125 Posnjakite, Old Sandbed Mine (Old Sandbeds Mine), Caldbeck Fells, Cumbria, England October 5, 2019
Scotland United Kingdom 4247 Lautenthalite, Posnjakite, Serpierite, Meadowfoot Smelter, Wanlockhead, Dumfriesshire, Scotland October 4, 2019
Cumbria England United Kingdom 4894 Ramsbeckite, Linarite, Posnjakite, Schulenbergite, Driggith Mine (Driggeth Mine), Caldbeck Fells, Cumbria, England, UK October 5, 2019
