30068 Barite, Dolomite, Pyrite, Calcite, Newfoundland Zinc Mine, Daniel’s Harbor, Newfoundland, Canada April 21, 2020 Steve Canada North and Central Americas Ex Barry Johnson Collection. Video best viewed full screen.
Australasia Australia Queensland ncat JP3342 Djurleite, Calcite, Great Australia Mine, Cloncurry, Cloncurry Shire, Queensland November 8, 2022
Australasia New Zealand 5621 Pyrite, Calcite, Todd’s Quarry, Arapohue, Kaipara District, Northland Region, North Island, New Zealand October 5, 2019
Iowa North and Central Americas United States ncat JP654, Calcite, Oskaloosa, Mahaska Co., Iowa, USA September 23, 2019
England Somerset United Kingdom ncat JP1489 Azurite, Barite, Cannington Park Quarry, Cannington, Sedgemoor, Somerset, England, UK October 8, 2019
