ncat VHD10, Duftite, Dioptase, Tsumeb Mine, Tsumeb, Namibia November 17, 2019 Steve Africa Namibia Ex Roger Colling Collection
Europe Germany 4807 Duftite, Katharina I Mine, Imsbach, Winnweiler, Palatinate, Rhineland-Palatinate, Germany October 5, 2019
Arizona North and Central Americas United States 0824 Dioptase, Table Mountain, Arizona, USA September 20, 2019
Arizona North and Central Americas United States 2846 Dioptase, Fluorite, Quartz, Mammoth-Saint Anthony Mine, Tiger, Mammoth District, Pinal Co., Arizona, USA December 1, 2021
