1995 Acanthite, Reyes Mine, Guanajuato, Mexico September 22, 2019 Pendleton Mexico North and Central Americas
North and Central Americas South Dakota United States 5533 Robertsite, Montgomeryite, Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA October 5, 2019
Europe France 0864 Connellite, La Finosa Mine (Fontana Rossa Mine), Ghisoni, Corte, Haute-Corse, Corsica, France September 20, 2019
