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A foid-syenite where cancrinite is the most abundant foid.
Classification of Cancrinite-syeniteHide
Sub-divisions of Cancrinite-syeniteHide
Mineralogy of Cancrinite-syeniteHide
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.|
|Feldspathoid > Cancrinite||(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O|
Non-essential minerals - these minerals are common, sometimes major components, but are not always present: