5711 Goethite, Quartz, Robert Mine (Roberts Mine; Kennedy Mine), Cuyuna Range, Crow Wing Co., Minnesota, USA August 24, 2020 Steve Minnesota North and Central Americas United States Reddish brown goethite botryoidal matrix hosting colourless quartz crystals. Width of view 18mm. Stack of 240 images. Ex Lundgren Collection.
Australasia Australia Queensland ncat RW006 Malachite, Quartz, Great Australia Mine, Cloncurry, Queensland October 14, 2019
Australasia Australia Victoria 7009 JL2339 Quartz, Lake Boga granite quarry, Lake Boga, Swan Hill Rural City, Victoria September 23, 2019
England United Kingdom 1248 Sphalerite, Quartz, Admiralty Flats, Nentsberry Haggs Mine, Nent Valley, Alston Moor District, North Pennines, North and Western Region (Cumberland), Cumbria, England September 22, 2019