7442 JL1746 Tridymite, Spring Hill, Victoria July 26, 2021 Steve Australasia Australia Victoria Acquired by Joan Lamond in 1995 from Judy Rowe.
Australasia New Zealand 1520 Edenite, Augite, Tridymite, Henderson’s Quarry, Mt Ngongathaha, Rotarua, New Zealand September 22, 2019
Co. Antrim Northern Ireland United Kingdom 0119 Tridymite, Tardree Forest Old Quarry, near Antrim Town, Co. Antrim, Northern Ireland September 18, 2019
Australasia New Zealand ncat JP0247 Fayalite, Tridymite, Hendersons Quarry, Mount Ngongotaha, Rotorua District, Bay of Plenty Region (Te Moana-a-Toi), North Island, New Zealand October 8, 2019
