3968 QUARTZ var. Amethyst, Cerro de la Concordia, Piedra Parada, Mun. de Tatatila, Veracruz, Mexico September 28, 2019 Steve Mexico North & Central Americas Source R.Coulsell, 1999
Australasia Australia South Australia 3960 QUARTZ, Ashton Quarry, Ashton, South Aust., Australia September 28, 2019
Mexico North & Central Americas 5800 METAKOTTIGITE, Ojuela Mine, Mapimi, Mun. de Mapimi, Durango, Mexico September 28, 2019
Arkansas North & Central Americas United States 0462 BROOKITE, QUARTZ, Magnet Cove, Hot Springs County, Arkansas, U.S.A. September 28, 2019
Europe France 6430 STIBARSEN, Les Chalaches Mine, Allemont, Isere, Rhone-Alpes, France September 28, 2019
