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
Australasia New Zealand ncat JP0418 Cristobalite, Mayor Island (Tuhua), Bay of Plenty Region (Te Moana-a-Toi), North Island, New Zealand October 8, 2019
Europe Germany 7155 Cristobalite, Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany October 5, 2019
Australasia Australia Victoria ncat JP3390 Cristobalite, Pseudobrookite, Phlogopite, Middle Hill, Mount Anakie, Anakie, City of Greater Geelong, Victoria August 5, 2022
