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 ncat JP3791 Gypsum, Olympic Dam Mine, Roxby Downs, Stuart Shelf, South Australia September 23, 2019
Australasia New Zealand 1272 Gypsum, Chabazite-Na (Herschelite), Bicker’s Quarry, Dargaville, North Island, New Zealand September 22, 2019
Australasia Australia Victoria ncat JP1119 Halite, Gypsum, Boort, Loddon Shire, Victoria September 23, 2019