I know this isn't the most scientific way to identify a rock, but it gets the job done in most instances, and it's what I have been doing with great success for some time now.

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Mohs' Hardness Test Kit
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A Field Guide to Rocks and Minerals
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Rocks & Minerals of Washington and Oregon
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Smithsonian Handbooks: Rocks & Minerals
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0:00 - Intro
1:30 - Origin
2:15 - Magnetic
2:40 - Metallic
3:08 - Hardness
8:00 - Books
10:53 - Gravity
13:56 - Luster
14:34 - Color
16:10 - Grain
17:20 - Recap

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