0119 Tridymite, Tardree Forest Old Quarry, near Antrim Town, Co. Antrim, Northern Ireland September 18, 2019 Steve Co. Antrim Northern Ireland United Kingdom Click for full sized image…
Australasia New Zealand 3036 Hematite, Phlogopite, Augite, Tridymite, Henderson’s Quarry, Mt Ngongotaha, near Rotorua, North Island, New Zealand October 3, 2019
Europe Germany 7102 Tridymite, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany October 5, 2019
Australasia Australia Victoria 9065 JP2814 Tridymite, Hyalite, Eastern Hill, Mount Anakie, Anakie, City of Greater Geelong, Victoria September 23, 2019
