chabasite

English Thesaurus

1. a group of minerals of the zeolite family consisting of a hydrous silicate of calcium and aluminum (noun.substance)

hypernym	:	zeolite,
definition	:	any of a family of glassy minerals analogous to feldspar containing hydrated aluminum silicates of calcium or sodium or potassium; formed in cavities in lava flows and in plutonic rocks (noun.substance)