7442 JL1746 Tridymite, Spring Hill, Victoria July 26, 2021 Steve Australasia Australia Victoria Acquired by Joan Lamond in 1995 from Judy Rowe.
Co. Antrim Northern Ireland United Kingdom 0119 Tridymite, Tardree Forest Old Quarry, near Antrim Town, Co. Antrim, Northern Ireland September 18, 2019
Australasia Australia Victoria 9065 JP2814 Tridymite, Hyalite, Eastern Hill, Mount Anakie, Anakie, City of Greater Geelong, Victoria September 23, 2019
Australasia New Zealand 4404 Osumilite-(Mg), Hematite, Tridymite, Hendersons Quarry, Mt Ngongotaha, North Island, New Zealand November 15, 2018
Australasia New Zealand 5055 Pseudobrookite, Hematite, Tridymite, Henderson’s Quarry, Mt Ngongathaha, Rotorua, New Zealand September 29, 2019