Question

if a minerals breaks into cubes when struck with a rock hammer, which property of mineral is being measured

a.) streak
b.) cleavage
c.) hardness
d.) color

Answer 1

b.) cleavage because if it could be broken by a hammer, then it means that it it tends to break along smooth surfaces, which is caused by a weak bonds between the atoms in the mineral.

Answer 2

Cleavage is the correct answer