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:
- Talc - Very soft
- Gypsum
- Calcite
- Fluorite
- Apatite
- Orthoclase
- Quartz
- Topaz
- Corundum (sapphire and ruby)
- Diamond - Very hard