Definitions for natrolite
a group of minerals of the zeolite family consisting of a hydrous silicate of sodium and aluminum
A fibrous zeolite mineral, being a sodium aluminosilicate, of the chemical formula NaAlSiO2HO.
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