Wolfram|Alpha

Computing...

Input interpretation:

Mohs number | 6.5


Approximate system conversions:

Knoop | 929 gf\/mm^2\nscleroscope | 96.6\nVickers | 982 kgf\/mm^2\nRockwell A | 86.6\nRockwell C | 68.6\nRockwell D | 77.6\nsuperficial Rockwell 15N | 94.2\nsuperficial Rockwell 30N | 85.6\nsuperficial Rockwell 45N | 77.8\n(based on typical comparsions; results for particular samples may differ)

ComputingComputing...