1385 Opal (Menilitic), Caldes de Malavella, Gerona, Catalonia, Spain September 22, 2019 Steve Europe Spain
Georgia (US) North and Central Americas United States 5562 Opal, Girard, Girard District, Burke Co., Georgia, USA October 5, 2019
Europe Germany Type Locality 2234 Faujasite, Opal, Limberg Quarries, Sasbach am Kaiserstuhl, Emmendingen, Freiburg Region, Baden-Württemberg, Germany January 10, 2022
