What is the name of the sclae that determines a minerals hardness?

The scale that determines a mineral's hardness is called the Mohs scale of mineral hardness. Developed by Friedrich Mohs in 1812, it ranks minerals from 1 to 10 based on their ability to scratch one another, with talc at the lowest hardness (1) and diamond at the highest (10). This scale helps identify minerals based on their physical properties.