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norbergite

noun
nor·​berg·​ite | \ ˈnȯrˌbərˌgīt\
plural -s

Definition of norbergite

: a mineral Mg3SiO4(F,OH)2 of the humite group composed of a magnesium silicate with fluorine and hydroxyl

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History and Etymology for norbergite

Swedish norbergit, from Norberg, Västmanland, Sweden, its locality + Swedish -it -ite

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