2998 Calcite, Merrywood Coal Mine, Royal George, Tasmania October 3, 2019 Steve Australasia Australia Tasmania
Africa South Africa 30061 Groutite, Calcite, Wessels Mine, Hotazel, Kalahari manganese field, Northern Cape, South Africa April 21, 2020
Arkansas North and Central Americas United States 5626 Aegirine, Calcite, Jones Mill Quarry (Martin Marietta Quarry; Highway 51 Quarry; Mid-State Quarry), Magnet Cove, Hot Spring Co., Arkansas, USA October 5, 2019
New Jersey North and Central Americas United States 1638 Franklinite, Rhodonite, Calcite, Trotter Shaft, Franklin, New Jersey, USA July 7, 2021
Mexico North and Central Americas 5747 Stibnite, Calcite, Jamesonite, Sombrerete Mine, Sombrerete, Sombrerete Municipality, Zacatecas, Mexico September 2, 2021
