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Leucitic rock with foids (mostly leucite) constituing 60 to 90% of light-coloured constituents and alkali feldspar > plagioclase.
Classification of Phonolitic-leucititeHide
Phonolitic-leucitite in other databasesHide
Mineralogy of Phonolitic-leucititeHide
Essential minerals - these are minerals that are required within the classification of this rock:
|Feldspar > Alkali Feldspar > Sanidine||K(AlSi3O8)|
|Feldspathoid > Leucite||K(AlSi2O6)|
|Pyroxene > Clinopyroxene||A petrological term for Clinopyroxene Subgroup.|
Non-essential minerals - these minerals are common, sometimes major components, but are not always present: