4087 Posnjakite, Savage River Mine, Tasmania October 4, 2019 Steve Australasia Australia Tasmania Self Collected 2005
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
Australasia Australia Tasmania 2461 Posnjakite, Hercules Mine, Williamsford, Tasmania September 22, 2019
