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A foidite consisting essentially of sodalite with <10% of olivine and other mafic minerals. An urtite composed chiefly of sodalite, with smaller amounts of acmite, eudialyte, and alkali feldspar.
Classification of SodalititeHide
Sub-divisions of SodalititeHide
Mineralogy of SodalititeHide
Essential minerals - these are minerals that are required within the classification of this rock:
Non-essential minerals - these minerals are common, sometimes major components, but are not always present: