Illinois North and Central Americas United States 10001 Calcite, Fluorite, Hill-Ledford Mine, Cave-in-Rock, Hardin Co., Illinois, USA March 23, 2018
Montana North and Central Americas United States 7240 JL0836 Calcite, Carter Co., Montana, USA December 12, 2020
Australasia Australia Tasmania 1577 Calcite, Fluorite, Kara Mine, Hampshire, Tasmania September 22, 2019