1. MINERAL I D
Mr. DeMarco

2. Recognize this?

3. Back Cover
of ESRT

4. Let’s Identify a Mineral!
This one

5. Let’s use the back cover of the Earth Science Reference Tables (page 16) to help us!

6. LUSTER Metallic or What is the luster Nonmetallic? of this sample?

7. Next... We need to find out the HARDNESS
THIS MINERAL SCRATCHES GLASS… (> 5)

8. Let’s look at the big picture… We have narrowed it down!7
Choices
Remaining!

9. Cleavage or Fracture? Our sample does not break in a specific fashion.
It “fractures” when broken.

10. COLOR?
Colorless

11. The other items seem to agree, so…

12. it must be...
QUARTZ

13. Time for YOU to try!