Cornwall England United Kingdom 3784 Opal, Posnjakite, Langite, South Wheal Basset, Redruth, Cornwall, England October 3, 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
Scotland United Kingdom 4247 Lautenthalite, Posnjakite, Serpierite, Meadowfoot Smelter, Wanlockhead, Dumfriesshire, Scotland October 4, 2019
Cumbria England United Kingdom 8125 Posnjakite, Old Sandbed Mine (Old Sandbeds Mine), Caldbeck Fells, Cumbria, England October 5, 2019