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…
California North and Central Americas United States 5330 Calcite, Tick Canyon, Lang, Los Angeles Co., California September 29, 2019
Africa South Africa 8073 M1819 Iowaite, Chondrodite, Calcite, Magnetite, Palabora mine, Loolekop, Phalaborwa, Limpopo Province, South Africa March 31, 2024
