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 4739 Arfvedsonite, Astrophyllite, Zircon, Hyalite, North Cascades Hwy, Milepost 166, Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA October 5, 2019
Scotland United Kingdom 3788 Sphene, Quartz, Orthoclase, Biotite, Moll/Luib Road Junction, Loch Ainort, Isle of Skye, Scotland October 3, 2019
Europe France ncat JP1921 Biotite, Ravin des Chevres (Rivaux Grands), Mont-Dore, Puy-de-Dome, Auvergne-Rhone-Alpes, France October 11, 2019
Australasia Australia Victoria ncat JP155 Zircon, Lake Bullen Merri (Bullenmerri), Camperdown, Corangamite Shire, Victoria September 23, 2019