7155 Cristobalite, Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany October 5, 2019 Steve Europe Germany ex Joan Lamond Collection. White crystals. Other species present but not identified (tridymite?, enstatite?, phlogopite?).
Europe Germany ncat JP1783 Cristobalite, Mendig, Eifel, Rhineland-Palatinate, Germany October 11, 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
Asia Japan 5491 Cristobalite, Arimura, Sakurajima, Kagoshima City, Kagoshima Prefecture, Japan October 2, 2019