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.
Australasia Australia Western Australia 9137 JP2703 Hydroxylapatite, Montgomeryite, Milgun Variscite Mine (Mount Deverell), Milgun Station, Meekatharra Shire, Western Australia September 23, 2019
Europe Spain 1690 Montgomeryite, Santa Maria de Montcada, Barcelona, Catalonia, Spain September 22, 2019
Brazil South America ncat JP3133 Eosphorite, Roscherite Group, Pyrite, Ilha claim, Taquaral, Itinga, Minas Gerais, Brazil January 29, 2024
Europe Spain 2051 Montgomeryite, Crandallite, Montcada, Barcelona, Catalonia, Spain September 22, 2019
