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sodalite

Syllabification: so·da·lite
Pronunciation: /ˈsōdlˌīt
 
/

Definition of sodalite in English:

noun

A blue mineral consisting mainly of an aluminosilicate and chloride of sodium, occurring chiefly in alkaline igneous rocks.
Example sentences
  • Associated minerals include various pyroxenes and zeolites in addition to the more familiar lazurite, sodalite, pyrite, and carbonates.
  • Lazurite, the deep blue variety of sodalite with sulphur replacing some of the chlorine, is dominant in lapis-lazuli.
  • The intermediate zone consists of massive lilac-gray sodalite with inclusions of nepheline, dark green aegirine, and pale green fluorapatite.

Origin

early 19th century: from soda + -lite.

Definition of sodalite in:

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