sodalite
[ sohd-l-ahyt ]
/ ˈsoʊd lˌaɪt /
noun
a mineral, sodium aluminum silicate, Na4Al3Si3O12Cl, occurring massive and in crystals, usually blue in color and found in certain alkali-rich igneous rocks.
Words nearby sodalite
soda pop,
soda siphon,
soda water,
soda-lime feldspar,
sodalist,
sodalite,
sodality,
sodamide,
sodbuster,
sodden,
soddy
Example sentences from the Web for sodalite
These last consist of an intermixture of nepheline or sodalite and alkali-felspar.
Many of them also contain nepheline, sodalite, hauyne and nosean; the much rarer mineral melilite appears also in some examples.
Section of sodalite crystal from the lava of 1794, with belonites and crystals of magnetite enclosed.
Volcanoes: Past and Present |Edward HullSodalite or hauyne may also be present, but nepheline is typically absent.
British Dictionary definitions for sodalite
sodalite
/ (ˈsəʊdəˌlaɪt) /
noun
a blue, grey, yellow, or colourless mineral consisting of sodium aluminium silicate and sodium chloride in cubic crystalline form. It occurs in basic igneous rocks. Formula: Na 4 Al 3 Si 3 O 12 Cl
Word Origin for sodalite
C19: from
soda +
-lite