606.5 Mohs = 5.95 HRC
| Mohs | HRC |
|---|---|
| 591.5 Mohs | 5.8 |
| 596.5 Mohs | 5.85 |
| 601.5 Mohs | 5.9 |
| 606.5 | 5.95 |
| 611.5 Mohs | 6 |
| 616.5 Mohs | 6.04 |
| 621.5 Mohs | 6.09 |
606.5 Mohs = 5.95 HRC
1 HRC ≈ 10.2 HV · 1 HRB ≈ 1.8 HV · 1 Mohs ≈ 0.1 HV — approximate; real conversions vary by material per ASTM E140