4822 Tridymite, Tardree Mountain, Co. Antrim, Northern Ireland October 5, 2019 Steve Co. Antrim Northern Ireland United Kingdom Richard Bell
Australasia Australia Victoria ncat JP2864 Tridymite, Magnetite, Rutile, Phlogopite, Spring Hill, Macedon Ranges, Victoria September 23, 2019
Australasia Australia Victoria ncat JP3282 Tridymite, Rutile, Magnetite, Phlogopite, Spring Hill, Macedon Ranges, Victoria September 23, 2019
Australasia New Zealand 5055 Pseudobrookite, Hematite, Tridymite, Henderson’s Quarry, Mt Ngongathaha, Rotorua, New Zealand September 29, 2019
