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 Steve Canada North and Central Americas
Canada North and Central Americas 8017 Villiaumite, Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada October 5, 2019
Denmark Europe 5654 Monazite, Naujakasite, Villiaumite, Aegirine, Sodalite, Kvanefjeld Uranium deposit, Kuannersuit Plateau (Kvanefjeld), Ilimaussaq complex, Narsaq, Kujalleq, Greenland, Denmark October 5, 2019
Africa Namibia Type Locality 8514 Villiaumite, Tuperssuatsiaite, Ellingsenite, Unnamed Fe Analogue of Zakharovite, Aegirine, Albite, Nepheline, Aris Quarries, Aris, Windhoek Rural, Khomas Region, Namibia July 25, 2020
