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A sodic basaltic-trachybasalt where Na2O-2>K2O.
Classification of MugeariteHide
Mineralogy of MugeariteHide
Essential minerals - these are minerals that are required within the classification of this rock:
|Feldspar > Alkali Feldspar||Feldspar Group minerals rich in Potassium or Sodium.|
|Olivine||Equivalent to Fayalite-Forsterite Series; usually a more or less Fe-bearing forsterite.|
|Pyroxene > Clinopyroxene > Augite||(CaxMgyFez)(Mgy1Fez1)Si2O6|
Non-essential minerals - these minerals are common, sometimes major components, but are not always present: