bytownite

[ bahy-tou-nahyt ]

noun
  1. a blue to dark-gray mineral near the anorthite end of the plagioclase feldspar group.

Origin of bytownite

1
1865–70; named after Bytown (old name of Ottawa, Canada), where first found; see -ite1

Words Nearby bytownite

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Scientific definitions for bytownite

bytownite

[ bī-tounīt ]


  1. A bluish to dark gray triclinic mineral of the plagioclase feldspar group that contains a higher proportion of calcium than sodium. Bytownite occurs in alkaline igneous rocks. Chemical formula: (Ca,Na)(Si,Al)4O8.

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