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Sodalitite

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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.



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Classification of SodalititeHide

Sodalitite appears in field 15c in the QAPF diagram.

Sodalitite is found in field F in the TAS diagram.

Sub-divisions of SodalititeHide

Mineralogy of SodalititeHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspathoid > SodaliteNa8(Al6Si6O24)Cl2
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
OlivineEquivalent to Fayalite-Forsterite Series; usually a more or less Fe-bearing forsterite.

Synonyms of SodalititeHide

Internet Links for SodalititeHide

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