D defs.my
Entry 1 sense Webster, 1913

Brewsterite

· Brews·ter·ite · IPA
01 n. A rare zeolitic mineral occurring in white monoclinic crystals with pearly luster. It is a hydrous silicate of aluminia, baryta, and strontia.
  1. 1.
    A rare zeolitic mineral occurring in white monoclinic crystals with pearly luster. It is a hydrous silicate of aluminia, baryta, and strontia.