Gemstone Hardness Scale
MOH’S SCALE OF HARDNESS
10 - Diamond
|
9 - Corundum
|
8 - Topaz
|
7 - Quartz
|
6 - Feldspar
|
5 - Apatite
|
4 - Fluorite
|
3 - Calcite
|
2 - Gypsum
|
1 - Talc
|
MOH’S SCALE OF HARDNESS
10 - Diamond
|
9 - Corundum
|
8 - Topaz
|
7 - Quartz
|
6 - Feldspar
|
5 - Apatite
|
4 - Fluorite
|
3 - Calcite
|
2 - Gypsum
|
1 - Talc
|