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
Europe Russia 2195 Holtite, Polylithionite, Mt Plosjaja, Keivy, Kola Peninsula, Russia September 22, 2019
Canada North and Central Americas 7150 Manganoneptunite, Serandite, Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada October 5, 2019
Canada North and Central Americas ncat JP1644 Polylithionite, Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carriere Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada October 11, 2019
Canada North and Central Americas 1478 Birnessite, Serandite, Leucophanite, Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carriere Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada September 22, 2019
