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These mineral photos are copyrighted by their owners and may not be used without permission.
Comments: B&W BSE image of a fragment of usovite (Us) and fluorite (Fl) in an epoxy grain mount section.
Location: Pravaya Noiba River (tributary if the Teya), northeastern Enisei Range, Krasnoyarsk region, Russia.
Scale: See Image.
© Diederik Visser