felspar

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A form of feldspar — Any of a large group of rock-forming aluminosilicate minerals containing potassium, sodium, or calcium that, together, make up about 60% of the Earth's outer crust.

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Meanings

nounfelspar (countable and uncountable, plural felspars)

plural felspars

  1. alternativecountableuncountableAlternative spelling of feldspar.

Synonyms & antonyms

nounany of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium

Similar
feldspar
Broader
spar
Also see
feldspar

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

felspar. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/felspar

MLA

“felspar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/felspar. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “felspar,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/felspar.

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