2307 Dioptase, Magma Mine, Superior, Arizona, USA September 22, 2019 Steve Arizona North and Central Americas United States
Arizona North and Central Americas United States 2669 Dioptase, Harquahala Mine, Salome, Arizona, USA October 3, 2019
Africa Namibia 0877 Dioptase, Wulfenite, Minrecordite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia March 21, 2018
