ncat JP1783 Cristobalite, Mendig, Eifel, Rhineland-Palatinate, Germany October 11, 2019 Steve Europe Germany
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 Australia Victoria ncat JP3390 Cristobalite, Pseudobrookite, Phlogopite, Middle Hill, Mount Anakie, Anakie, City of Greater Geelong, Victoria August 5, 2022
