Question

which statement reveals a property that can be used to identify a mineral?
a mineral is found in africa.
a mineral is made in a laboratory.
a mineral is used to make medicine.
a mineral has hexagonal - shaped crystals.

Explanation:

Mineral identification relies on inherent physical/chemical properties. Location, lab synthesis, or use do not define a mineral's identifying traits. Crystal structure is a core diagnostic property of minerals.

Answer:

D. A mineral has hexagonal-shaped crystals.