English

Bytownite

Noun

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

• bytownite on Wikipedia.Wikipedia
• rock
• feldspar
• plagioclase