Minerals

1.     Luster- Metallic or- Non metallic.

2.     Color- Yellow blue dark gray does not like metal.

3.     Streak- Mineral powder.

4.     Hardness- How hard it is.

5.     Cleavage- Break in straight line.

6.     Fracture- Break uneven.

7.     Composition- Chemicals in a mineral.

8.     Other properties- Metallic shiny.

Diamond:  Hardess, Cleavage, Blue, Non- metallic

Gold:  Hard, Cleavage, Brown