n. Any of several zeolite minerals that occur in basaltic rocks.
The Century Dictionary and Cyclopedia
n. A mineral of the zeolite group which occurs in rhombohedral crystals of a white or flesh-red color.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a group of minerals of the zeolite family consisting of a hydrous silicate of calcium and aluminum
Word Usage
"The minerals referred to are analcime, chabazite, Thompsonite, and finally, the mineral which I first found in this formation, Hayesine, which is extremely rare, and of which"