7147 Polylithionite, Serandite, Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada October 5, 2019 Steve Canada North and Central Americas ex Joan Lamond Collection, ex Cynthia Peat
Canada North and Central Americas 4572 Serandite, Poudrette Quarry, Mont Saint Hilaire, Quebec, Canada June 9, 2021
Europe Russia 2195 Holtite, Polylithionite, Mt Plosjaja, Keivy, Kola Peninsula, Russia September 22, 2019
Canada North and Central Americas ncat ANK MSH107 Serandite, Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada December 12, 2022
Canada North and Central Americas 1766 Polylithionite, Rhodochrosite, Poudrette Quarry, Mont St Hilaire, Quebec, Montreal, Canada September 22, 2019
