Moh’s scale is a relative hardness scale for minerals rating them from 1 to 10. The values are not proportional. Diamond is rated a 10 and is the hardest mineral and Talc is rated 1 and is the softest.
Moh's Scale of Relative Hardness
| Name | Image |
|---|---|
| 1. Talc |  |
| 2. Gypsum |  |
| 3. Calcite |  |
| 4. Fluorite |  |
| 5. Apatite |  |
| 6. Orthoclase Feldspar |  |
| 7. Quartz |  |
| 8. Topaz |  |
| 9. Corundum |  |
| 10. Diamond |  |