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sussexite

noun sus·sex·ite \ -kˌsīt \
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Definition of sussexite

plural -s
: a mineral MnBO2OH isomorphous with szaibelyite consisting of a borate of manganese and occurring in white fibrous veins (hardness 3, specific gravity 3.4)

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Origin and Etymology of sussexite

Sussex, county of northern New Jersey + English -ite

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