4768 Calcite, Arensberg, Zilsdorf, Hillesheim, Eifel, Rhineland-Palatinate, Germany October 5, 2019 Steve Europe Germany Helmut Braith
Africa Namibia 4701 Calcite, Mottramite, Sphalerite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia October 5, 2019
Co. Antrim Northern Ireland United Kingdom 3099 Calcite, Mesolite, Thomsonite, Ladyhill Quarry, Tardree, Co. Antrim, Northern Ireland October 3, 2019