scolecite

noun

1. a monoclinic white zeolite mineral, a hydrous calcium aluminum silicate, CaAl2Si3O10 ⋅ 3H2O, occurring in masses and in needle-shaped crystals.

noun

1. a white zeolite mineral consisting of hydrated calcium aluminium silicate in groups of radiating monoclinic crystals. Formula: CaAl 2 Si 3 O 10 .3H 2 O