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Colorless very shiny crystals of the rare phosphate mineral nefedovite from the type locality in Khibiny (Khibiny Massif, Murmansk Oblast, Russian Federation)
Photo (C) 2020 David Hospital (via Wikimedia Commons), CC-BY-SA 4.0
White masses of nordenskiöldine associated with green masses of danburite. From MW Claim, Screw Creek, Cassiar Mountains, Watson Lake, Yukon, Canada. Ex. Erich Laskowski collection
Photo by David Hospital, via Wikimedia Commons, CC-BY-SA-4.0
Dark grey grains, masses and tiny veins of oldhamite in calcite, from Lichtenberg Absetzer Mine (dump), Ronneburg U deposit, Gera, Thuringia, Germany. Ex Fritz Rüger collection. Field of view 1.5 cm.
Photo by Leon Hupperichs (via Wikimedia Commons), CC-BY-SA 3.0