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.
Europe Russia 10047 Quartz, Apophyllite, Krutoye Mine, Nizhnyaya Tunguska River Basin (Lower Tunguska River), Evenkia (Evenkiyskiy Autonomous okrug), Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai), Eastern-Siberian Region, Russia October 5, 2019
Australasia Australia Tasmania 4002 Ferrimolybdite, Quartz, Dravite, Bischoff Extended (West Bischoff; Wheal Bischoff), Waratah, Waratah district, Waratah-Wynyard municipality, Tasmania November 30, 2022
Australasia Australia New South Wales 0125 Quartz (Amethyst), North Mine, Broken Hill, New South Wales September 18, 2019
North and Central Americas Tennessee United States 1338 Fluorite, Sphalerite, Quartz, Elmwood Mine, Tennessee, USA September 22, 2019