nephelinite

noun
neph·​e·​lin·​ite | \ˈne-fə-lə-ˌnīt \

Definition of nephelinite 

: a silica-deficient igneous rock having nepheline as the predominant mineral

Other Words from nephelinite

nephelinitic \ˌne-​fə-​lə-​ˈni-​tik \ adjective

First Known Use of nephelinite

circa 1863, in the meaning defined above

History and Etymology for nephelinite

International Scientific Vocabulary

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The first known use of nephelinite was circa 1863

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