bytownite

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English[edit]

Bytownite

Etymology[edit]

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

Noun[edit]

bytownite (usually uncountable, plural bytownites)

  1. (mineralogy) 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.

See also[edit]