Question

Which of the following best describes the term cleavage?

a. Cleavage describes the quality and amount of light reflected from a mineral surface.

b. Cleavage is the characteristic growth pattern or shape of a mineral.

c. Cleavage is the splitting of minerals along natural planes of weakness.

d. Cleavage is the colored mark that a mineral makes when scratched on a porcelain tile.

e. Cleavage describes a mineral's resistance to abrasion.