The rocks tend to spilt along parallel planes defined by distribution and parallel arrangment of platy mineral crystals.
The cleavage of sodium chloride crystals is {100} Perfect, {010} Perfect, {001} Perfect.
cleavage....
Galena's cleavage is cubic.
Sulfur's cleavage is imperfect.
Silvers Cleavage Is Silver Doesn't Split .
Cobalt has a cleavage in three directions, forming a cube.
no cleavage
Show cleavage? What Cleavage? Not really
Muscovite has perfect basal cleavage, or book cleavage.
cleavage
Aluminum does not display the characteristics of cleavage.
sulfur does not have cleavage.