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Comments: Reddish brown micro crystals of rasvumite in vugs to about 0.75mm.
Location: Kirovskiy mine, Khibina massif, Kola Peninsula, Russia.
Scale: 3.5 x 2.5 x 2.5cm.
© Tom Loomis / Dakota Matrix
Comments: Opaque dull orange fibrous rasvumite masses.
Location: Coyote Peak, Humboldt County, California, USA.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species