You can identify a mineral by its appearance and other properties. The color and luster describe the appearance of a mineral, and streak describes the color of the powdered mineral. Each mineral has a characteristic density. Mohs Hardness Scale is used to compare the hardness of minerals.

Answer:

1. Through color identification

2. Through hardness testing by scratching and referring to Moh's scale.

3. Through identifying its structure and formation

4. Through identifying its cleavage and fracture