'Natrolite' definitions:
Definition of 'natrolite'
From: WordNet
noun
A group of minerals of the zeolite family consisting of a hydrous silicate of sodium and aluminum
Definition of 'Natrolite'
From: GCIDE
- Natrolite \Na"tro*lite\ (?; 277), n. [Natron + -lite: cf. F. natrolithe.] (Min.) A zeolite occuring in groups of glassy acicular crystals, and in masses which often have a radiated structure. It is a hydrous silicate of alumina and soda. [1913 Webster]