ncat VHD10, Duftite, Dioptase, Tsumeb Mine, Tsumeb, Namibia November 17, 2019 Steve Africa Namibia Ex Roger Colling Collection
Australasia Australia New South Wales ncat JP3778 Duftite, Mimetite, Gartrellite, New Cobar Mine (Cobar gold mine; Jubilee), Cobar, Robinson Co., New South Wales September 23, 2019
Africa Namibia 0877 Dioptase, Wulfenite, Minrecordite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia March 21, 2018
