2051 Montgomeryite, Crandallite, Montcada, Barcelona, Catalonia, Spain September 22, 2019 Steve Europe Spain
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 Victoria 0926 Parwanite, Taranakite, Montgomeryite, Parwan Cave, near Bacchus Marsh, Victoria September 20, 2019
