2207 Aegirine?, Poudrette Quarry, Mont St Hilaire, Quebec, Montreal, Canada September 22, 2019 Steve Canada North and Central Americas
Arkansas North and Central Americas United States 4935 Aegirine, Analcime, Big Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski Co., Arkansas, USA October 5, 2019
Arkansas North and Central Americas Type Locality United States 5674 Barwoodite, Eggletonite, Aegirine, Big Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski Co., Arkansas, USA June 27, 2020
Canada North and Central Americas ncat ANK MSH126 Rhodochrosite, Aegirine, Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada December 16, 2022
Canada North and Central Americas Type Locality 3539 Ancylite-(Ce), Albite, Aegirine, Burbankite, Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada January 21, 2024