What is cobalts uses
Cobalt has perfect cleavage in all directions.
Cobalt has no cleavage because it does not display cleavage properties. Instead, cobalt typically shows a conchoidal fracture when broken.
Cobalt has a cleavage in three directions, forming a cube.
Cobalt typically exhibits a perfect cleavage in one direction, which can be observed in its mineral form known as cobaltite. This means that cobalt can break along smooth planes, reflecting its crystal structure. Cobalt's cleavage is one of the characteristics that help in identifying its mineral forms.
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".