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harstigite

noun hars·tig·ite \ ˈhärstəˌgīt \
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Definition of harstigite

plural -s
: a mineral Be2Ca3Si3O11 consisting of a silicate of beryllium and calcium (hardness 5.5, specific gravity 3.05)

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Origin and Etymology of harstigite

Swedish harstigit, from Harstig mine, Sweden + Swedish -it -ite

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