5533 Robertsite, Montgomeryite, Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA October 5, 2019 Pendleton North and Central Americas South Dakota United States Type Locality for robertsite. Ex John Lewis collection.
Australasia Australia South Australia ncat JP700 Halite, Lake Torrens, Andamooka Ranges, Stuart Shelf, South Australia February 7, 2024
Australasia Australia South Australia 9107 JP2756 Kidwellite, Strengite, Iron Monarch open cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia May 24, 2020
