2051 Montgomeryite, Crandallite, Montcada, Barcelona, Catalonia, Spain September 22, 2019 Steve Europe Spain
North and Central Americas Type Locality United States Utah ncat VIN Wardite, Clay Canyon, Fairfield, Sunshine Mining District, Utah County, Utah, USA December 28, 2023
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
Australasia Australia Victoria 0926 Parwanite, Taranakite, Montgomeryite, Parwan Cave, near Bacchus Marsh, Victoria September 20, 2019
Australasia Australia Victoria 4471 Strengite, Chalcosiderite, Crandallite, Lake Boga, Victoria October 5, 2019
