ncat AU004 Gypsum, Mt Cleveland Mine, Luina, Heazlewood district, Waratah-Wynyard municipality, Tasmania January 9, 2024 Steve Australasia Australia Tasmania Tiny sprays of post-mining gypsum crystals collected on the dumps. Look closely and you can some fishtail twins (eg: near the centre of the photo). Width of view 9mm. Stack of 55 images. Click on the image below for a higher resolution version.
Cornwall England United Kingdom ncat JP1686 Cumengeite, Gypsum, The Gannel Smelter slag locality, Crantock, Cornwall, England, UK October 8, 2019
Australasia Australia Victoria 0339 Gypsum, Siderite, Lake Cooper Quarry, Corop, Victoria September 19, 2019
Arizona North and Central Americas United States 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