from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of a series of hydrothermal tectosilicate minerals of the zeolite group.
from the GNU version of the Collaborative International Dictionary of English
- n. A rare zeolitic mineral occurring in white monoclinic crystals with pearly luster. It is a hydrous silicate of aluminia, baryta, and strontia.
from The Century Dictionary and Cyclopedia
- n. A white, yellow, or green pellucid mineral of the zeolite family, occurring in short prismatic crystals; a hydrous silicate of aluminium, strontium, and barium.
Brewster + -ite after Sir David Brewster, who described it in 1822. (Wiktionary)