5690 Zircon, Biotite, Taratimi Bay (Crater Bay), Mayor Island (Tuhua), Bay of Plenty Region, North Island, New Zealand July 14, 2020 Pendleton Australasia New Zealand Sharp and very thin crystals of biotite with white concertina zircon crystal (indicated by red arrow). Width 5.5mm. Stack of 100 images.
Australasia New Zealand 7314 JL3984 Enstatite, Mount Tarawera, Okataina, Rotorua District, Bay of Plenty Region, North Island, New Zealand December 24, 2020
Canada North and Central Americas 7274 JL1579 Gersdorffite, Millerite, Chalcopyrite, Timagami, Ontario, Canada December 12, 2020
Australasia New Zealand 1520 Edenite, Augite, Tridymite, Henderson’s Quarry, Mt Ngongathaha, Rotarua, New Zealand September 22, 2019
Arkansas North and Central Americas United States 5806 A2964 680marps Fluorite, Pyrophanite, Aegirine (Acmite), Albite, Holiday Inn Quarry, Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA January 28, 2023