5690 Zircon, Biotite, Taratimi Bay (Crater Bay), Mayor Island (Tuhua), Bay of Plenty Region, North Island, New Zealand July 14, 2020 Steve 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.
North and Central Americas United States Washington 4741 Zircon, Elpidite, Aegirine, Arfvedsonite, Astrophyllite, North Cascades Hwy, Milepost 166, Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA October 5, 2019
Europe France 9167 JP2371 Zircon, Mont Denise, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhone-Alpes, France October 11, 2019