ijolite

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English[edit]

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Etymology[edit]

Derived from the first syllable of the Finnish words Ii-vaara, Iijoki, etc., common as geographical names in Finland, and Ancient Greek λίθος (líthos, a stone).

Noun[edit]

ijolite (countable and uncountable, plural ijolites)

  1. (mineralogy) A rare igneous rock consisting essentially of nepheline and augite.