Assertion: mineral | /r/HasAspect | no cleavage
Facets:
Source sentences:
text: Some minerals, like quartz, have no cleavage.
text: Not all minerals have cleavage.
text: Some minerals, such as quartz, have no cleavage whatsoever.
text: Because the tetrahedra are not polymerized, there are no consistent planes of internal atomic weakness, so they also have no cleavage.