What kind of cleavage or fracture does quartz have?

a.

perfect cleavage in three directions

b.

perfect cleavage in one direction

c.

fair cleavage in three directions

d.

conchoidal fracture

The correct answer is d. conchoidal fracture

Explanation:

Quartz do not have cleavage. You could eliminate answers a, b, and c. In fact, both varieties of quartz contain conchoidal fractures which is the main characteristic of macrocrystalline and criptocrystalline quartz.