5710 Copper in Gypsum, Mission pit, Mission complex, San Xavier, Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima Co., Arizona, USA August 20, 2020 Steve Arizona North and Central Americas United States Arborescent copper included in gypsum. Width of view 7.5mm. Stack of 150 images. Ex Charles Willett Collection.
Australasia Australia South Australia 7397 JL1770 Gypsum, Chlorite, Olympic Dam Mine, Roxby Downs, Stuart Shelf, South Australia December 29, 2020
North and Central Americas United States Utah 5591 Natrozippeite, Antlerite, Carbonatecyanotrichite, Gypsum, Widowmaker Mine, Fry Mesa, White Canyon, White Canyon District, San Juan Co., Utah, USA October 5, 2019
Australasia Australia Western Australia 0068 Copper, Underground Workings, Telfer Gold Mine, Western Australia September 18, 2019