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bröggerite

noun brög·ger·ite \ ˈbrəgəˌrīt \
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Definition of bröggerite

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

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Origin and Etymology of bröggerite

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

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