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How to Test the Hardness of a Mineral (Old Scout Field Guide)
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I demonstrate testing the hardness of various minerals. I also demonstrate which minerals scratch (or can be scratched by) household materials.
Mohs Hardness Scale:
1 - Talc
2 - Gypsum
3 - Calcite
4 - Fluorite
5 - Apatite
6 - Feldspar
7 - Quartz
8 - Berryl/Topaz
9 - Curundum
10 - Diamond (not pictured)
Mohs Hardness Scale:
1 - Talc
2 - Gypsum
3 - Calcite
4 - Fluorite
5 - Apatite
6 - Feldspar
7 - Quartz
8 - Berryl/Topaz
9 - Curundum
10 - Diamond (not pictured)
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