2660 Hilairite, Poudrette Quarry, Mont St Hilaire, Quebec, Canada October 3, 2019 Steve Canada North and Central Americas
Europe Norway 5640 Natrolite, Hilairite, Midtfjellet Quarry (Mellomfyllet Quarry), Malerod, Larvik, Vestfold, Norway October 5, 2019
Canada North and Central Americas ncat ANK MSH100 Hilairite, Gaidonnayite, Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada December 12, 2022
Canada North and Central Americas ncat ANK MSH147 Calcioburbankite, Petersenite-(Ce), Siderite, Hilairite(?), Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada December 15, 2022