20076 Amethyst, Pohndorf Mine, Toll Mountain, Boulder Batholith, Jefferson Co., Montana, USA September 21, 2021 Steve Montana North and Central Americas United States Interesting textures. Specimen is 34mm wide. Ex Bart Cannon. Click on the image below for a higher resolution version.
Australasia Australia Northern Territory 3392 Quartz (Amethyst), Ilparpa, Alice Springs, Northern Territory October 3, 2019
Arkansas North and Central Americas United States ncat JP3008, Quartz, Jeffrey Quarry, Jeffrey, Pulaski Co., Arkansas, September 23, 2019
Australasia Australia New South Wales 4451 Goethite, Quartz, Mt Stewart Mine, Leadville, New South Wales October 5, 2019
Canada North and Central Americas 1329 Baricite, Quartz, Rapid Creek, Yukon Territory, Canada September 22, 2019