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Comments: Gray wadalite masses in matrix.
Location: Tadano, Koriyama, Fukushima, Japan.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
Wadalite: Ca6Al5Si2O16Cl3 Kumtyubeite: Ca5(SiO4)2F2 Srebrodolskite: Ca2Fe+++2O5 Rondorfite: Ca8Mg(SiO4)4Cl2
Comments: BSE image of kumtyubeite (Kmt) associated with srebrodolskite (Srb), bultfonteinite (Blt), Ca- kydrosilicates, wadalite (Wad), rondorfite (Rndr), and ettringite (dark gray). (AmMin, v94:1361).
Location: Rock-forming mineral found in skarn carbonate-xenoliths in ignimbrites of the Upper Chegem volcanic structure, Kabardino-Balkaria, Northern Caucasus, Russia.
Scale: See Image.
© American Mineralogist