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Numanoite Borcarite Image

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 Numanoite, Borcarite

Large Numanoite Image

Mineral: Numanoite: Ca4CuB4O6(OH)6(CO3)2  
Borcarite: Ca4MgB4O6(OH)6(CO3)2
Comments: Zoned borcarite (Bc) crystal with a core of green numanoite (Nm). CanMin 45:307.
Location: Fuka mine, 40 km west-northwest of Okayama City, western Japan.
Scale: See Image.
Copyright: © Canadian Mineralogist
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