Answer:
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.