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
Europe Germany 7155 Cristobalite, Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany October 5, 2019
Australasia New Zealand 0148 Hematite, Cristobalite, Henderson’s Quarry, Mt Ngongathaha, Rotarua, New Zealand September 18, 2019
