It is the quality and intensity of reflected light exhibited by the mineral.

_______are formed from an aggregation of one or more minerals and other substances that are cohered into a solid structure.

It is the process of breaking big rocks into little ones.

Magmatism is the emplacement of magma within and at the surface of the outer layers of a _________?

It is caused by differential stress.

________are naturally-formed solid substance with crystal structure.

__________ are formed from liquid molten rock that cool slowly and harden.

__________occur on Earth’s surface due to the influence of exogenic forces.

It  is the process of transforming fine grained sedimentary rocks into metamorphic rocks.

It is the movement of rocks by natural forces like wind, water or ice.