Mohs Hardness Scale
Rate Your
 Rocks and Minerals Collection
Mohs Hardness Scale measures the hardness of minerals.
A harder mineral will scratch a softer mineral.

Rate your rock and mineral collection using Mohs Hardness Scale.
Organize your information as you create a Power Point slide show to share your findings.
Minerals
Scale
Talc
1
 Softest
Gypsum
2
Calcite
3
Fluorite
4
Apatite
5
Orthoclase
6
Quartz
7
Topaz
8
Corundum
9
Diamond
10
 Hardest

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