4087 Posnjakite, Savage River Mine, Tasmania October 4, 2019 Steve Australasia Australia Tasmania Self Collected 2005
Cumbria England United Kingdom 4894 Ramsbeckite, Linarite, Posnjakite, Schulenbergite, Driggith Mine (Driggeth Mine), Caldbeck Fells, Cumbria, England, UK October 5, 2019
Scotland United Kingdom 4247 Lautenthalite, Posnjakite, Serpierite, Meadowfoot Smelter, Wanlockhead, Dumfriesshire, Scotland October 4, 2019
Australasia Australia Tasmania 2461 Posnjakite, Hercules Mine, Williamsford, Tasmania September 22, 2019
Cornwall England United Kingdom 3785 Posnjakite, Langite, South Wheal Basset, Redruth, Cornwall, England October 3, 2019