Africa Democratic Republic of Congo (Zaire) ncat JP2156 Dioptase, Malachite, Tantara Mine, Shinkolobwe, Kambove District, Katanga (Shaba), Democratic Republic of the Congo October 8, 2019
Africa Namibia 0877 Dioptase, Wulfenite, Minrecordite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia March 21, 2018
Arizona North and Central Americas United States 0798 Dioptase, Table Mountain, Arizona, USA September 20, 2019
Arizona North and Central Americas United States ncat JP3640, Dioptase, Bonanza Mine (Harquahala Mine), Bonanza and Golden Eagle Mine group, Martin Peak, Salome, Little Harquahala District, Little Harquahala Mts, La Paz Co., Arizona, USA September 23, 2019
