shonkinite

noun

shon·​kin·​ite
ˈshäŋkəˌnīt
plural -s
: a dark granular igneous rock consisting of augite with subordinate orthoclase and smaller amounts of olivine, biotite, nephelite, sodalite, and plagioclase

Word History

Etymology

Shonkin (Highwood mountains, Montana), its locality + English -ite

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Cite this Entry

“Shonkinite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/shonkinite. Accessed 3 Dec. 2022.

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