7102 Tridymite, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany October 5, 2019 Steve Europe Germany ex Joan Lamond Collection
Australasia Australia Victoria ncat JP2581 Tridymite, Magnetite, Rutile, Phlogopite, Hornblende, Spring Hill, Macedon Ranges, Victoria September 23, 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
Australasia New Zealand 5055 Pseudobrookite, Hematite, Tridymite, Henderson’s Quarry, Mt Ngongathaha, Rotorua, New Zealand September 29, 2019
Australasia New Zealand 4404 Osumilite-(Mg), Hematite, Tridymite, Hendersons Quarry, Mt Ngongotaha, North Island, New Zealand November 15, 2018
