Friedrich Mohs

Friedrich Mohs was a German geologist and mineralogist, best known for creating the Mohs scale of mineral hardness in 1812. This scale ranks minerals from 1 to 10 based on their ability to scratch one another, with talc at the softest (1) and diamond at the hardest (10). Mohs' work helped establish a standard method for identifying minerals, making it easier for scientists and jewelers to assess their characteristics. His scale remains widely used today, providing a simple yet effective way to understand and compare the hardness of different minerals.