MINERAL I D Mr. DeMarco.

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Presentation transcript:

MINERAL I D Mr. DeMarco

Recognize this?

Back Cover of ESRT

Let’s Identify a Mineral! This one

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

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

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

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

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

COLOR? Colorless

The other items seem to agree, so…

it must be... QUARTZ

Time for YOU to try!