bröggerite

noun

brög·​ger·​ite

ˈbrəgəˌrīt

plural -s

: a thorium-bearing variety of uraninite (U,Th)O₂ occurring in octahedral crystals (specific gravity 9.03)

Word History

Etymology

Swedish bröggerit, from W. C. Brögger †1940 Norwegian mineralogist + Swedish -it -ite

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