3988 QUARTZ var. Chalcedony, Galiuro Mountains, Pinal County, Arizona, U.S.A. September 28, 2019 Steve Arizona North & Central Americas United States Source R.Coulsell, 1999
Europe Italy 6538 XIMENGITE, Cava del Ferro, Fornovolasco, Apuan Alps, Lucca Province, Tuscany, Italy September 28, 2019
Europe Germany 4847 BRANDTITE, Fuchs Quarry, Hartkoppe, Sailauf, Spessart, Bavaria, Germany September 28, 2019
Australasia Australia Victoria 5320 KOECHLINITE, Wolfram Mine, Pittong, Victoria, Australia September 28, 2019
