Answer:
c
Step-by-step explanation:
In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fairly well-defined chemical composition. A mineral is a naturally occurring, inorganic (never living) solid with a definite internal arrangement of atoms (crystal structure) and has a have a chemical formula that only varies over a limited range that does not alter the crystal structure. The crystal structure of a mineral has a definite internal arrangement of atoms