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A term used for a coarse-grained rock consisting essentially of alkali feldspar and olivine, with minor pyroxene, biotite and chlorite.
Classification of ApotroctoliteHide
Mineralogy of ApotroctoliteHide
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.|
Non-essential minerals - these minerals are common, sometimes major components, but are not always present: