graphic texture

The term "graphic texture" in geology refers to a specific type of intergrowth between two minerals within an igneous rock. In this texture, one mineral acts as a host, and another mineral appears within it as striplike or cuneiform units. These units maintain a generally consistent orientation relative to the host mineral. A common example is the intergrowth of quartz within alkali feldspar.1

Texture in rocks, in general, is defined by the size, shape, and arrangement of mineral grains and any present glass. These characteristics offer insights into the conditions under which the rock formed. For sedimentary rocks, texture encompasses the size, shape, and arrangement of particles, categorized as either clastic or crystalline.123