8017 Villiaumite, Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada October 5, 2019 Steve Canada North and Central Americas ex Bernie and Margaret Day Collection. ex C. Peat 1997
Denmark Europe 5654 Monazite, Naujakasite, Villiaumite, Aegirine, Sodalite, Kvanefjeld Uranium deposit, Kuannersuit Plateau (Kvanefjeld), Ilimaussaq complex, Narsaq, Kujalleq, Greenland, Denmark October 5, 2019
Canada North and Central Americas 8001 Villiaumite, Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada 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
Denmark Europe ncat JP3635 Villiaumite, Ilimaussaq complex, Narsaq, Kujalleq, Greenland, Denmark April 22, 2023
