Co. Durham England United Kingdom 1916 Calcite, Sphalerite, Frazers Grove Mine, Rookhope, Weardale, England September 22, 2019
Australasia Australia South Australia ncat JP1010 Malachite, Calcite, Marree, Northeast, South Australia September 23, 2019
Co. Durham England United Kingdom 10022 Calcite, Boltsburn Mine, Rookhope District, Weardale, North Pennines, Co. Durham, England October 5, 2019
Northern Ireland United Kingdom ncat JP2296 Calcite, Mesolite, Chabazite, Thomsonite-Ca, Ballyewing, Northen Ireland October 8, 2019
