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".
Chalcopyrite does not have cleavage. It typically exhibits a conchoidal fracture instead of cleavage planes.
It has both cleavage and fracture.
the cleavage of the diamond is nothing