357 Mohs to HRC

357 Mohs = 3.5 HRC

MohsHRC
342 Mohs3.35
347 Mohs3.4
352 Mohs3.45
3573.5
362 Mohs3.55
367 Mohs3.6
372 Mohs3.65

357 Mohs = 3.5 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