Denmark Europe 5653 Naujakasite, Villiaumite, Aegirine, Sodalite, Kvanefjeld Uranium deposit, Kuannersuit Plateau (Kvanefjeld), Ilimaussaq complex, Narsaq, Kujalleq, Greenland, Denmark April 25, 2023
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
