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Comments: Polished section of an aggregate of minute iwashiroite-(Y) crystals. Some of the aggregates appear dark blue owing to internal reflections.
Location: Suishoyama, Kawamata Town, Fukushima Prefecture, Japan. (Journal of Mineralogical and Petrological Sciences, v101:170).
Scale: See Image.
Comments: Hemispherical crystalline aggregate of ixiolite.
Location: Muiane mine, Zambesia, Mozambique.
Scale: Specimen size 1.3 cm.
© John Veevaert
Comments: Prismatic metallic gray microcrystal of izoklakeite (mounted on paper).
Location: Vena Mine, Bergslagen, Orebro, Sweden.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species