shonkinite

noun
shon·kin·ite | \ˈshäŋkəˌnīt\
plural -s

Definition of shonkinite 

: a dark granular igneous rock consisting of augite with subordinate orthoclase and smaller amounts of olivine, biotite, nephelite, sodalite, and plagioclase

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History and Etymology for shonkinite

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

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Dictionary Entries near shonkinite

shone

shoneen

Shongopovi

shonkinite

shoo

shood

shoofly

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