nepheline

noun
neph·e·line | \ˈne-fə-ˌlēn \
variants: or less commonly nephelite \ˈne-fə-ˌlīt \

Definition of nepheline 

: a hexagonal mineral that is a usually glassy crystalline silicate of sodium, potassium, and aluminum common in igneous rocks

Other Words from nepheline

nephelinic \ˌne-fə-ˈli-nik \ adjective

First Known Use of nepheline

circa 1814, in the meaning defined above

History and Etymology for nepheline

French néphéline, from Greek nephelē cloud — more at nebula

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The first known use of nepheline was circa 1814

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Britannica.com: Encyclopedia article about nepheline

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