4822 Tridymite, Tardree Mountain, Co. Antrim, Northern Ireland October 5, 2019 Steve Co. Antrim Northern Ireland United Kingdom Richard Bell
Australasia New Zealand 4404 Osumilite-(Mg), Hematite, Tridymite, Hendersons Quarry, Mt Ngongotaha, North Island, New Zealand November 15, 2018
Australasia New Zealand 5054 Titanite, Hematite, Phlogopite, Tridymite, Henderson’s Quarry, Mt Ngongathaha, Rotorua, New Zealand September 29, 2019
Australasia Australia Victoria ncat JP2581 Tridymite, Magnetite, Rutile, Phlogopite, Hornblende, Spring Hill, Macedon Ranges, Victoria September 23, 2019
