Poikilitic texture refers to igneous rocks where component crystals contain smaller grains of other minerals within them. In poikilitic rocks, the contained smaller grains are typically within phenocrysts. A poikilitic texture is most easily observed in petrographic thin sections. In some rocks there seem to be little tendency for the minerals to ...
(Of igneous rocks) Where large crystals of the host rock enclose small randomly orientated crystals of a different mineral.
• (a.) See Poecilitic.
Poi`ki·lit'ic adjective (Geol.) See Pœcilitic . 
mottled