chloritoid

noun

chlo·​ri·​toid
-rəˌtȯid
plural -s
: a mineral (Mg1Fe)AlSiAlO5(OH)2 consisting of a silicate of aluminum and ferrous iron with magnesium occurring usually in dull green to gray or grayish black masses of brittle folia and related to the brittle micas (as clintonite)

Word History

Etymology

German, from chlorit chlorite (mineral) + -oid

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Dictionary Entries Near chloritoid

Cite this Entry

“Chloritoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chloritoid. Accessed 30 Nov. 2024.

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