589.5 Mohs = 5.78 HRC
| Mohs | HRC |
|---|---|
| 574.5 Mohs | 5.63 |
| 579.5 Mohs | 5.68 |
| 584.5 Mohs | 5.73 |
| 589.5 | 5.78 |
| 594.5 Mohs | 5.83 |
| 599.5 Mohs | 5.88 |
| 604.5 Mohs | 5.93 |
589.5 Mohs = 5.78 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