7102 Tridymite, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany October 5, 2019 Steve Europe Germany ex Joan Lamond Collection
Australasia New Zealand ncat JP0248 Hematite, Tridymite, Taupo District, Waikato Region, North Island, New Zealand October 8, 2019
Australasia Australia Victoria ncat JP2581 Tridymite, Magnetite, Rutile, Phlogopite, Hornblende, Spring Hill, Macedon Ranges, Victoria September 23, 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 ncat JP1411 Tridymite, K Trig basalt, Poihipi Road, Taupo District, Waikato Region, North Island, New Zealand October 8, 2019
