Definition of nepheline in English:
A colourless, greenish, or brownish mineral consisting of an aluminosilicate of sodium (often with potassium) and occurring as crystals and grains in igneous rocks.
- All basalt chemical compositions can be plotted in the basalt tetrahedron, which has normative quartz, olivine, nepheline and augite at the apices.
- The three commonest feldspathoids are leucite, nepheline, and sodalite.
- The other is a small lazurite deposit at the southern end of Baffin Island, Nunavut, Canada, where it is found as rounded, isolated grains in nepheline and is associated with diopside.
Early 19th century: from French néphéline, from Greek nephelē 'cloud' (because its fragments are made cloudy on immersion in nitric acid) + -ine2.
Words that rhyme with nephelinemousseline • Hölderlin
Definition of nepheline in:
- US English dictionary
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