ncat JP1783 Cristobalite, Mendig, Eifel, Rhineland-Palatinate, Germany October 11, 2019 Steve Europe Germany
Australasia New Zealand 5613 Cristobalite and Sanidine in Obsidian, Poihipi Road, Taupo, New Zealand December 24, 2018
Asia Japan 5491 Cristobalite, Arimura, Sakurajima, Kagoshima City, Kagoshima Prefecture, Japan October 2, 2019
Australasia New Zealand ncat JP0418 Cristobalite, Mayor Island (Tuhua), Bay of Plenty Region (Te Moana-a-Toi), North Island, New Zealand October 8, 2019
