ncat JP1411 Tridymite, K Trig basalt, Poihipi Road, Taupo District, Waikato Region, North Island, New Zealand October 8, 2019 Steve Australasia New Zealand
Australasia New Zealand 1520 Edenite, Augite, Tridymite, Henderson’s Quarry, Mt Ngongathaha, Rotarua, New Zealand September 22, 2019
Europe Germany 2256 Cordierite, Mullite, Hematite, Tridymite, Bellerberg, Eifel Mountains, Germany September 22, 2019
