0314 DATOLITE, Charcas, Mun. de Charcas, San Luis Potosi, Mexico September 28, 2019 Steve Mexico North & Central Americas Source A.Roffey, 1997
California North & Central Americas United States 4010 CRISTOBALITE, Coso Hot Springs Deposit, Coso District, Coso Mtns., Inyo County, California, U.S.A. September 28, 2019
Africa South Africa 4435 SUGILITE, Wessels Mine, Hotazel, Kalahari Manganese Fields, Northern Cape Province, South Africa September 28, 2019
Arizona North & Central Americas United States 3988 QUARTZ var. Chalcedony, Galiuro Mountains, Pinal County, Arizona, U.S.A. September 28, 2019
Europe Italy 5372 CLINOCERVANTITE, Tafone Mine, Manciano, Grosseto Province, Tuscany, Italy September 28, 2019
