8028 Boltwoodite, Calcite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia October 5, 2019 Steve Africa Namibia ex Bernie and Margaret Day Collection
Africa Namibia ncat JP3742 Willemite, Calcite, Mottramite, Cuprite, Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia March 26, 2024
England North Somerset United Kingdom 4109 Barite, Malachite, Calcite, Clevedon, North Somerset, England, UK February 25, 2025
Australasia Australia Tasmania 4299 Calcite, Fieldwicks Quarry, Lottah Road, Weldborough Pass, Tasmania October 4, 2019
