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…
Cornwall England United Kingdom 9086 JP2694 Cassiterite, Schorl, Calcite, Balleswidden Mine, St Just, Cornwall, England, UK May 22, 2020
Colorado North and Central Americas United States 1219 Calcite, after Aragonite, Fort Collins area, Larimer Co., Colorado, USA September 22, 2019
Europe Sweden 5659 Tegengrenite, Pyrochroite, Manganosite, Calcite, Kitteln Mine, Nordmark Odal Field (Nordmarksberg), Filipstad, Varmland, Sweden October 5, 2019
