Fracture - Conchoidal--curved, concentric breakage
Fracture - Earthy--looks like broken soil
Fracture - Hackly--jagged, uneven, sharp
Fracture - Splintery--sharp, elongated, often in fibrous minerals
Fracture - Uneven--rough, irregular, random
Cleavage - 1 plane--mineral splits along 1 plane
Cleavage - 2 planes--mineral splits along 2 parallel planes
Cleavage - 3 planes--mineral splits along 3 parallel planes