0797 Dioptase, Table Mountain Mine, Table Mountain, Pinal Co., Arizona, USA September 20, 2019 Steve Arizona North and Central Americas United States
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
Arizona North and Central Americas United States 8181 Willemite, Dioptase, Wulfenite, Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona October 5, 2019
Arizona North and Central Americas United States 0798 Dioptase, Table Mountain, Arizona, USA September 20, 2019
