Assertion: granite's grain | /r/HasProperty | invisible
Facets:
value: usually
type: DEGREE
value: to the unaided eye
type: TRANSITIVE-OBJECT
Source sentences:
text: In the second and final stage, the magma is cooled rapidly at relatively shallow depth or as it erupts from a volcano, creating small grains that are usually invisible to the unaided eye.
text: In the final stage, the magma is cooled rapidly at relatively shallow depth or as it erupts from a volcano, creating small grains that are usually invisible to the unaided eye typically referred to as the ground mass.