ncat JP1411 Tridymite, K Trig basalt, Poihipi Road, Taupo District, Waikato Region, North Island, New Zealand October 8, 2019 Steve Australasia New Zealand
Europe Germany 7102 Tridymite, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany October 5, 2019
Australasia New Zealand ncat JP0271 Tridymite, Hematite, Phlogopite, Titanite, Hendersons Quarry, Mount Ngongotaha, Rotorua District, Bay of Plenty Region (Te Moana-a-Toi), North Island, New Zealand October 8, 2019
Australasia Australia Victoria 0855 Tridymite, Augite, Anatase, Trentham, Victoria September 20, 2019
