They must also possess a fixed crystalline structure (spatial arrangement of atoms and ions).
Minerals are those naturally occurring substances that are required for proper growth of living organisms.
It is found both on earth and in food substances such as calcium, magnesium, iron.
Minerals are known to have spatial arrangement of atoms and ions. Which means the ions and atoms are not randomly arranged.
Therefore, minerals are all naturally occurring solid substances with a definable chemical composition because it possess a fixed crystalline structure.
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