4822 Tridymite, Tardree Mountain, Co. Antrim, Northern Ireland October 5, 2019 Steve Co. Antrim Northern Ireland United Kingdom Richard Bell
Australasia New Zealand ncat JP0248 Hematite, Tridymite, Taupo District, Waikato Region, North Island, New Zealand October 8, 2019
Australasia New Zealand 5054 Titanite, Hematite, Phlogopite, Tridymite, Henderson’s Quarry, Mt Ngongathaha, Rotorua, New Zealand September 29, 2019
Australasia Australia Victoria 9065 JP2814 Tridymite, Hyalite, Eastern Hill, Mount Anakie, Anakie, City of Greater Geelong, Victoria September 23, 2019