8125 Posnjakite, Old Sandbed Mine (Old Sandbeds Mine), Caldbeck Fells, Cumbria, England October 5, 2019 Steve Cumbria England United Kingdom ex Bernie and Margaret Day Collection
Scotland United Kingdom 4247 Lautenthalite, Posnjakite, Serpierite, Meadowfoot Smelter, Wanlockhead, Dumfriesshire, Scotland October 4, 2019
Czech Republic ncat JP2589 Posnjakite, Zlate Hory (Zuckmantel), Olomouc Region, Czech Republic October 11, 2019
Cornwall England United Kingdom ncat JP2520 Posnjakite, South Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK October 8, 2019
Cumbria England United Kingdom 4894 Ramsbeckite, Linarite, Posnjakite, Schulenbergite, Driggith Mine (Driggeth Mine), Caldbeck Fells, Cumbria, England, UK October 5, 2019
