Cumbria England United Kingdom ncat M2973 Duftite, Sandbeds Mine, Caldbeck Fells, Cumbria, England October 15, 2019
Australasia Australia Northern Territory 2170 Mimetite, Duftite, Mount Bonnie Mine, Grove Hill, Victoria-Daly Region, Northern Territory December 2, 2022
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
