Wordnet 3.0
NOUN (1)
1.
a vitreous mineral consisting of sodium aluminum silicate and sodium chloride in crystalline form;
occurs in igneous rocks;
The Collaborative International Dictionary of English v.0.48:
Sodalite \So"da*lite\, n. [Soda + -lite: cf. F. sodalithe.]
(Min.)
A mineral of a white to blue or gray color, occuring commonly
in dodecahedrons, also massive. It is a silicate of alumina
and soda with some chlorine.
[1913 Webster]
WordNet (r) 3.0 (2006):
sodalite
n 1: a vitreous mineral consisting of sodium aluminum silicate
and sodium chloride in crystalline form; occurs in igneous
rocks