Question

1. which of the following terms is not used to describe a minerals cleavage?

• indistinguishable
• poor
• jagged points
• perfect

Explanation:

Mineral cleavage is described using terms that characterize the quality of the flat break surfaces: perfect, indistinct/indistinguishable, and poor are standard descriptors. "Jagged points" refers to irregular, broken surfaces (fracture), not cleavage.

Answer:

C. jagged points