7372 JL3695 Tiptopite, Roscherite, Montgomeryite, Tip Top Mine (Tip Top pegmatite), Fourmile, Custer Mining District, Custer Co., South Dakota, USA December 28, 2020 Steve North and Central Americas South Dakota Type Locality United States Type Locality for tiptopite. Acquired by Joan Lamond from Peter Elliott for $10.00.
Brazil South America ncat JP3133 Eosphorite, Roscherite Group, Pyrite, Ilha claim, Taquaral, Itinga, Minas Gerais, Brazil January 29, 2024
Europe Spain 1690 Montgomeryite, Santa Maria de Montcada, Barcelona, Catalonia, Spain September 22, 2019
Australasia Australia Western Australia 3682 Foggite, Montgomeryite, Variscite, Near Milgun Station, Western Australia October 27, 2019
Nevada North and Central Americas United States 5316 Montgomeryite, Red House Barite Mine, Humboldt Co., Nevada September 29, 2019
