8006 Elpidite, Poudrette quarry, 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
Canada North and Central Americas 8052 Elpidite, Poudrette quarry, Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada October 5, 2019
Canada North and Central Americas ncat ANK MSH110 Elpidite, Gaidonnayite, Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada December 13, 2022
North and Central Americas United States Washington 4741 Zircon, Elpidite, Aegirine, Arfvedsonite, Astrophyllite, North Cascades Hwy, Milepost 166, Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA October 5, 2019
