3766 Cristobalite, Fluorvarulite, Zinkhutte Genna, Letmathe, Germany October 3, 2019 Steve Europe Germany Fluorvarulite not a species – unknown what this is.
North and Central Americas Oregon United States ncat VHD15, Cristobalite, Apatite, Plagioclase, Enstatite, Summit Rock, near Diamond Lake, Klamath Co., Oregon, USA November 17, 2019
Australasia New Zealand 5613 Cristobalite and Sanidine in Obsidian, Poihipi Road, Taupo, New Zealand December 24, 2018
Australasia New Zealand 0148 Hematite, Cristobalite, Henderson’s Quarry, Mt Ngongathaha, Rotarua, New Zealand September 18, 2019
