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 New Zealand ncat JP0418 Cristobalite, Mayor Island (Tuhua), Bay of Plenty Region (Te Moana-a-Toi), North Island, New Zealand October 8, 2019
