7442 JL1746 Tridymite, Spring Hill, Victoria July 26, 2021 Steve Australasia Australia Victoria Acquired by Joan Lamond in 1995 from Judy Rowe.
Europe Germany 2256 Cordierite, Mullite, Hematite, Tridymite, Bellerberg, Eifel Mountains, Germany 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 JP0271 Tridymite, Hematite, Phlogopite, Titanite, Hendersons Quarry, Mount Ngongotaha, Rotorua District, Bay of Plenty Region (Te Moana-a-Toi), North Island, New Zealand October 8, 2019
