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Columbite-(Fe), Muscovite, Albite-Anorthite Series


Columbite-(Fe) : FeNb2O6, Muscovite : KAl2[(OH)2|AlSi3O10], Albite-Anorthite Series

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Locality: Tveit 3 Feldspar Quarry (Steli; Steeli), Tveit, Iveland, Aust-Agder, Norway
Columbite-(Fe) in muscovite mica. The crystal is approx. 4,5 cm long.

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