1. A mineral is identified by its properties
Mrs. Leos

2. Let’s recap…… What is a mineral?
How are minerals different than rocks?

3. WAYS TO TELL MINERALS APART

4. Streak:
The powdered form of a mineral

5. Luster:
How minerals reflect light
Metallic
Non-metallic

6. Cleavage
The tendency of a mineral to break along a flat surface

7. Fracture
The tendency of a mineral to break along a flat surface

8. Density Amount of mass (g) in a given volume of substance
Helpful device to tell minerals apart

9. Hardness Resistance to being scratch Mohs Scale (1-10)
Talc(1)- scratch with fingernail
Diamond (10)- only another diamond can scratch it

10. Based on Moh’s scale of hardness

11. Other Properties
Reaction to acid
Fluorescence
Magnetism

12. On page 28 of your ISN
NEATLY draw the Mohs scale (page 55 of your textbook)
Write your 5 sentence summary
(remember to focus on our objective)