Respuesta :

The Four Characteristics of Minerals:
⇒Forms in nature
⇒Is a solid
⇒Has a definite chemical make up
⇒Has a crystal structure.

Hope I helped! ^-^
rachaelhager05
To be classified as a mineral, a substance must have the following four characteristics: it must be organic, naturally-occurring, solid and a have a definite chemical composition. A substance must also have an ordered internal structure.