Gemstone Hardness

The lists are based on the Mohs Hardness Scale. The compiled data may vary in relation to other sources.





Hardness 1 - 4        Hardness 2 - 4        Hardness 3 - 5


Hardness 4 - 8        Hardness 5 - 7        Hardness 6 - 8


Hardness 7 - 8        Hardness 8 - 9        Hardness 9 - 10