4740 Zektzerite, Elpidite, Aegirine, Arfvedsonite, Astrophyllite, North Cascades Hwy, Milepost 166, Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA October 5, 2019 Steve North and Central Americas United States Washington Washington Pass is the Type Locality for Zektzerite. Collected by Bruce Kelley, 2014,
Arkansas North and Central Americas United States 4936 Kupleskite, Aegirine, Analcime, Big Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski Co., Arkansas, USA October 5, 2019
Canada North and Central Americas ncat JP1643 Elpidite, Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carriere Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada October 11, 2019
Canada North and Central Americas 3538 Rhabdophane-(Ce), Aegirine, Poudrette Quarry, Mont St. Hilaire, Quebec, Canada October 3, 2019
Canada North and Central Americas 8008 Rhodochrosite, Elpidite, Poudrette quarry, Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada October 5, 2019