4768 Calcite, Arensberg, Zilsdorf, Hillesheim, Eifel, Rhineland-Palatinate, Germany October 5, 2019 Steve Europe Germany Helmut Braith
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 Victoria ncat JP420 Calcite, Gonnardite/Natrolite, Old Melbourne Quarries, Victoria September 23, 2019
Michigan North and Central Americas United States ncat JP804, Copper, Calcite, Copper Falls Mine, Copper Falls, Keweenaw Co., Michigan, USA September 23, 2019
