Mohs hardness is usually a resistance to currently being scratched, while Vickers hardness is often a resistance to indentation under pressure. The graph shows The good distinction between the Vickers hardness of corundum and diamond - that happen to be just one unit aside around the Mohs hardness scale. Use https://wordpress92479.blogdanica.com/33981049/the-fact-about-diamond-shape-that-no-one-is-suggesting