0463 Calcite, Mn Oxide, Lilydale Quarry, Lilydale, Victoria November 25, 2018 Steve Australasia Australia Victoria Usually referred to as “pyrolusite”, but exact manganese oxide unknown. Click for full sized image…
Europe Hungary ncat JP874 Calcite, Pyrite, Goethite, Csódi Hill, Dunabogdány, Szentendre, Pest Co., Hungary June 29, 2022
Australasia Australia Victoria ncat VHD4, Calcite, Boral Quarry, Bundoora, Victoria November 17, 2019
Europe Greece ncat JP1189 Mimetite, Calcite, Lavrion District Mines, Lavrion District (Laurion; Laurium; Lavreotiki Municipality), Attiki Prefecture (Attica; Attika), Greece October 11, 2019
Peru South America 20047 Calcite, Quartz, Pachapaqui mining district, Bolognesi Province, Áncash, Peru April 20, 2020