Assertion: halite's cleavage | /r/HasProperty | two cleavage planes
Facets:
Source sentences:
text: The most common number of cleavage plane directions in the common rock-forming minerals are: one perfect cleavage (as in mica), two cleavage planes (as in feldspar, pyroxene, and amphibole), and three cleavage planes (as in halite, calcite, and galena).