boracite

noun
bo·​ra·​cite | \ ˈbōrəˌsīt, ˈbȯr- \
plural -s

Definition of boracite

: a mineral Mg3B7O13Cl consisting of a borate and chloride of magnesium that is strongly pyroelectric and occurs in hard glassy crystals and in softer white masses (hardness 7, specific gravity 2.9)

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History and Etymology for boracite

German borazit, from Medieval Latin borac-, borax + German -it -ite

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Cite this Entry

“Boracite.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/boracite. Accessed 16 December 2019.

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