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.
Sulfur's cleavage is imperfect.
cleavage....
it has no cleavage
imperfect cleavage
it has no cleavage
cleavage
What cleavage does pyrite have
No it has cleavage and it's cleavage is "absent".
It has both cleavage and fracture.
the cleavage of the diamond is nothing
Galena's cleavage is cubic.