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 imageā¦
Highland Scotland United Kingdom ncat JP2532 Mesolite, Thomsonite-Ca, Calcite, The Storr, Portree, Trotternish, Isle of Skye, Highland, Scotland, UK October 8, 2019
Iowa North and Central Americas United States ncat JP732, Pyrite, Calcite, Pint’s Quarry, Raymond, Black Hawk Co., Iowa, USA September 23, 2019
Australasia Australia Victoria 4265 Calcite, Phillipsite, Eastern Freeway, Abbotsford, Victoria October 4, 2019