Mineralogy Database

Anorthite Plagioclase Image

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 Anorthite, Plagioclase

Large Anorthite Image

Mineral: Anorthite: CaAl2Si2O8  
Plagioclase: (Na,Ca)(Si,Al)4O8
Comments: Opaque white crystal of anorthite with dark brown solidified lava coating.
Location: Miyake-jima, Shizuoka, Japan.
Scale: See Photo.
Copyright: © Jeff Weissman / Photographic Guide to Mineral Species
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