673 Mohs to HRC

673 Mohs = 6.6 HRC

MohsHRC
658 Mohs6.45
663 Mohs6.5
668 Mohs6.55
6736.6
678 Mohs6.65
683 Mohs6.7
688 Mohs6.75

673 Mohs = 6.6 HRC

Formula (approximate)

1 HRC ≈ 10.2 HV · 1 HRB ≈ 1.8 HV · 1 Mohs ≈ 0.1 HV — approximate; real conversions vary by material per ASTM E140