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porcellanite

noun
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por·​cel·​la·​nite
plural -s

Definition of porcellanite

: a hard dense siliceous rock having the appearance of unglazed porcelain on fresh fractures

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History and Etymology for porcellanite

German porzellanit, from porzellan porcelain (from Italian porcellana) + -it -ite

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“Porcellanite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/porcellanite. Accessed 27 Feb. 2021.

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