stilbite Min.
(ˈstɪlbaɪt)
[a. F. stilbite (Haüy 1796), f. Gr. στίλβειν to glitter: see -ite.]
A hydrous silicate of aluminium and calcium, in oblique prismatic crystals with pearly lustre. Formerly not distinguished from heulandite.
| 1815 Aikin Min. (ed. 2) 209 Stilbite..occurs crystallized, lamelliform, massive, and in fasciculated acicular prisms. 1854 Dana Syst. Min. (ed. 4) II. 332 Stilbite, H[aüy]. |