Mohs Scale

Thread starter Diermint
Start date Nov 15, 2004

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Diermint

Rough_Rock

Nov 15, 2004

The 10-point scale of mineral hardness. Diamond scores 10 on Mohs Scale. The diamond is the hardest of all known natural substances.

Moh’s Hardness Scale:

10 Diamond
9 Corundum
8 Topaz
7 Quartz
6 Orthoclase
5 Apatite
4 Fluorite
3 Calcite
2 Gypsum
1 Talc