1223 DUFRENITE, Coon Creek Mine, Shady, Polk County, Arkansas, U.S.A. September 28, 2019 Steve Arkansas North & Central Americas United States Source G.Leske, 1982
Africa Botswana 3991 QUARTZ var. Agate, Bobonong District, Central District, Botswana September 28, 2019
Europe France 3601 ROMANECHITE, Manganese Deposit, Romaneche-Thorens, Saone-el-Loire, Burgundy, France September 28, 2019
Europe Germany 3144 BETPAKDALITE-CaCa, Sadisdorf, Schiedeberg, Erzgebirge, Saxony, Germany September 28, 2019
Europe Slovakia 2538 CRISTOBALITE, Vechec, Northern Slanske Mtns., Presov Region, Slovakia September 28, 2019
