89.5 Mohs to HRC

89.5 Mohs = 0.88 HRC

MohsHRC
74.5 Mohs0.73
79.5 Mohs0.78
84.5 Mohs0.83
89.50.88
94.5 Mohs0.93
99.5 Mohs0.98
104.5 Mohs1.02

89.5 Mohs = 0.88 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