'Brewsterite' definitions:

Definition of 'Brewsterite'

From: GCIDE
  • Brewsterite \Brews"ter*ite\, n. [Named after Sir David Brewster.] A rare zeolitic mineral occurring in white monoclinic crystals with pearly luster. It is a hydrous silicate of aluminia, baryta, and strontia. [1913 Webster]