Describe in two-five-sentence paragraphs the characteristics a substance must have to be considered a mineral.

A Mineral can be identified if they have the following properties:

1) Naturally occurring: it should be present in nature on its own, steel is not a   mineral because it is made manually.

2) Inorganic it should not be produced by any organism

3) Solid It should not be in liquid or gaseous state, water is not a mineral because its liquid.

4) Definite chemical composition it should have a limited variation in its chemical properties.

5) Ordered internal structure it should have definite internal repeating structure that does not varies much.

the answer is d.) potassium