Mohs Scale

The Mohs scale ranges from 1 to 10, with 1 being the softest (talc) and 10 being the hardest (diamond). Gemstones are often rated on the Mohs scale to assess their durability and susceptibility to scratches. Here is a list of some common gemstones and their corresponding Mohs hardness:

1. Talc - Very soft
2. Gypsum
3. Calcite
4. Fluorite
5. Apatite
6. Orthoclase
7. Quartz
8. Topaz
9. Corundum (sapphire and ruby)
10. Diamond - Very hard