Assertion: mineral's crystal | /r/CapableOf | lack obvious crystal faces
Facets:
value: altogether
type: DEGREE
Source sentences:
text: In nature quartz crystals are often twinned (with twin right-handed and left-handed quartz crystals), distorted, or so intergrown with adjacent crystals of quartz or other minerals as to only show part of this shape, or to lack obvious crystal faces altogether and appear massive.