Moh's Scale

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
1. Talc Talc.jpg
2 Gypsum Gypsum.jpg
3. Calcite Calcite.jpg
4. Fluorite Fluorite.jpg
5. Apatite Apatite.jpg
6. Orthoclase Feldspar Orthoclase.jpg
7. Quartz Quartz.jpg
8. Topaz Topaz-lw87a.jpg
9. Corundum Corundum.jpg
10. Diamond Rough.gif