2461 Posnjakite, Hercules Mine, Williamsford, Tasmania September 22, 2019 Steve Australasia Australia Tasmania
Cumbria England United Kingdom 4894 Ramsbeckite, Linarite, Posnjakite, Schulenbergite, Driggith Mine (Driggeth Mine), Caldbeck Fells, Cumbria, England, UK October 5, 2019
Czech Republic ncat JP2589 Posnjakite, Zlate Hory (Zuckmantel), Olomouc Region, Czech Republic October 11, 2019
Cumbria England United Kingdom 8125 Posnjakite, Old Sandbed Mine (Old Sandbeds Mine), Caldbeck Fells, Cumbria, England October 5, 2019
Australasia Australia New South Wales ncat JP1821 Posnjakite, Broken Hill South Mine (BHS Mine; South Mine), Broken Hill, Broken Hill district, Yancowinna Co., New South Wales September 23, 2019
