30041 Quartz, Calcite, Permafrost Pocket 2015, Upper New Street Quarry, Paterson, Passaic Co., New Jersey, USA October 5, 2019 Steve New Jersey North and Central Americas United States A few white calcite crystals on drusy quartz. Click for full sized image…
Michigan North and Central Americas United States ncat JP748, Epidote, Quartz, Laurium Mine, Keewenaw Peninsula, Michigan, USA September 23, 2019
Illinois North and Central Americas United States 10001 Calcite, Fluorite, Hill-Ledford Mine, Cave-in-Rock, Hardin Co., Illinois, USA March 23, 2018
Australasia Australia Tasmania ncat RW177 Calcite, Liawenee Canal, Liawenee, Central Highlands, Tasmania November 29, 2021