Sodalite

Origin

Named for the alkaline silicate composition.

Full definition of sodalite

Noun

1. (mineralogy) A mineral of alkaline igneous and plutonic rocks that are low in silica, of the chemical composition of sodium aluminum silicate with chlorine, Na₄Al₃Si₃O₁₂Cl. Pink sodalite is sometimes called hackmanite. Sodalite and lazurite form the sodalite Group of silicate minerals.

Related terms

• soda

Anagrams

• diastole, isolated