1553 Millerite, Chalcopyrite, Unknown, Eaglebrook Mine, Dyfed, Wales September 22, 2019 Steve United Kingdom Wales Click for full sized image…
Australasia Australia Victoria 8069 Opal, Pyrite, Unidentified Species, Wolfram Mine, Pittong, Victoria October 5, 2019
Australasia Australia Tasmania 1802 Unknown Tourmaline in Fluorite, Mt Bischoff, Waratah, Tasmania September 22, 2019
North and Central Americas United States 0976 Chalcopyrite, Arsenopyrite, Tristate District, USA September 20, 2019