9065 JP2814 Tridymite, Hyalite, Eastern Hill, Mount Anakie, Anakie, City of Greater Geelong, Victoria September 23, 2019 Steve Australasia Australia Victoria
Europe Germany 7102 Tridymite, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany October 5, 2019
Australasia New Zealand 5055 Pseudobrookite, Hematite, Tridymite, Henderson’s Quarry, Mt Ngongathaha, Rotorua, New Zealand September 29, 2019
New Mexico North and Central Americas United States 5789 Tridymite, Truth or Consequences, Sierra County, New Mexico, USA July 18, 2022
Australasia New Zealand 1520 Edenite, Augite, Tridymite, Henderson’s Quarry, Mt Ngongathaha, Rotarua, New Zealand September 22, 2019