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 Steve Australasia New Zealand
Australasia Australia Victoria ncat JP2864 Tridymite, Magnetite, Rutile, Phlogopite, Spring Hill, Macedon Ranges, Victoria September 23, 2019
Co. Antrim Northern Ireland United Kingdom 4822 Tridymite, Tardree Mountain, Co. Antrim, Northern Ireland October 5, 2019
Co. Antrim Northern Ireland United Kingdom 0119 Tridymite, Tardree Forest Old Quarry, near Antrim Town, Co. Antrim, Northern Ireland September 18, 2019