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harzburgite

noun harz·burg·ite \ ˈhärtsˌbərˌgīt \
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Definition of harzburgite

plural -s
: a rock of the peridotite group consisting essentially of olivine and orthopyroxene

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Origin and Etymology of harzburgite

German harzburgit, from Harzburg, Germany + German -it -ite

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