DCHP-1 Online
bytownite [< Bytown] 
n. a plagioclase feldspar composed of 90-70 per cent anorthite and 10-30 per cent albite.
See also: Bytown
bytownite [< Bytown]
n. a plagioclase feldspar composed of 90-70 per cent anorthite and 10-30 per cent albite.
See also: Bytown