4087 Posnjakite, Savage River Mine, Tasmania October 4, 2019 Steve Australasia Australia Tasmania Self Collected 2005
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
Cornwall England United Kingdom 3785 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