bytownite

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noun

A plagioclase feldspar, the fifth member of the Albite-Anorthite solid solution series. Bytownite is rare, and normally occurs in small grains in lime-rich igneous rocks. Clear pale yellow crystals have come from Mexico and Oregon.

Scrabble 17
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Meanings

nounbytownite (usually uncountable, plural bytownites)

plural bytownites

  1. uncountableusuallychemistryA plagioclase feldspar, the fifth member of the Albite-Anorthite solid solution series. Bytownite is rare, and normally occurs in small grains in lime-rich igneous rocks. Clear pale yellow crystals have come from Mexico and Oregon.

Origin

From Bytown + -ite, named for the type locality in Bytown (now Ottawa), Canada, but this locality was later discredited. The name, however, was kept.

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Cite this entry
APA

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

MLA

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

Chicago

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

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