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.
North and Central Americas South Dakota United States ncat JP345 Montgomeryite, Whitlockite, Fluorapatite, Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA January 27, 2023
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
Europe Spain 2051 Montgomeryite, Crandallite, Montcada, Barcelona, Catalonia, Spain September 22, 2019
