Mohs
A hardness scale developed by F. Mohs in 1812 where the hardness of a material is compared with that of a mineral. Any mineral is able to mark any other below it on the Mohs scale.
| Mohs | Mineral |
| 1 | Talc |
| 2 | Gypsum |
| 3 | Calcite |
| 4 | Fluorite |
| 5 | Apatite |
| 6 | Orthoclase |
| 7 | Quartz |
| 8 | Topaz |
| 9 | Corundum |
| 10 | Diamond |
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| Bismuth | 2.25 | Clip | |
| Diamond | 10 | Clip | |
| Quartz | 7 | Clip | |
| Titanium Carbide | 9 to 9.5 | Clip |
paste all data into clipboardSee also: Hardness.
Subjects: Geology Mechanical Engineering