4223 Quartz, Mn Oxides, Lecht Mine, Tomintoul, Banffshire, Scotland October 4, 2019 Steve Scotland United Kingdom Self-collected
Nebraska North and Central Americas United States 4234 Quartz after Gypsum, Crawford, Dawes Co., Nebraska, USA October 4, 2019
Mexico North and Central Americas 6069 Barite, Quartz, Gibraltar Mine, Naica, Mun. de Saucillo, Chihuahua, Mexico October 2, 2019
Europe France 1178 Stolzite, Quartz, Alunite Supergroup, Les Montmins Mine (Ste Barbe vein), Echassieres, Ebreuil, Allier, Auvergne, France November 21, 2022
Australasia Australia Tasmania ncat VHD10, Quartz, Philosopher’s Ridge, Mount Lyell, Gormanston, Tasmania November 17, 2019
