nephelines

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A form of nepheline — A feldspathoid mineral of silica-poor igneous, plutonic and volcanic rocks. Chemically, nepheline is a plagioclase feldspar with insufficient silica to satisfy the chemical bonds. Because of the unfilled bonds, nepheline weathers rapidly and can only be seen as inclusions in freshly broken rock.

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Meanings

noun
  1. pluralplural of nepheline
Cite this entry
APA

nephelines. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/nephelines

MLA

“nephelines.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nephelines. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “nephelines,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/nephelines.

Source: nephelines on Wiktionary, CC BY-SA 4.0.