Canada North and Central Americas ncat JP1642 Villiaumite, 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 8017 Villiaumite, Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada October 5, 2019
Denmark Europe ncat JP3635 Villiaumite, Ilimaussaq complex, Narsaq, Kujalleq, Greenland, Denmark April 22, 2023
Canada North and Central Americas 8001 Villiaumite, Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada October 5, 2019
