ncat JP1783 Cristobalite, Mendig, Eifel, Rhineland-Palatinate, Germany October 11, 2019 Steve Europe Germany
Australasia Australia Victoria ncat JP3390 Cristobalite, Pseudobrookite, Phlogopite, Middle Hill, Mount Anakie, Anakie, City of Greater Geelong, Victoria August 5, 2022
Australasia New Zealand 0148 Hematite, Cristobalite, Henderson’s Quarry, Mt Ngongathaha, Rotarua, New Zealand September 18, 2019
Australasia New Zealand 5613 Cristobalite and Sanidine in Obsidian, Poihipi Road, Taupo, New Zealand December 24, 2018
