Input interpretation
group 4 elements | Mohs hardness
Results
titanium | 6 (≈ microcline) zirconium | 5 (≈ apatite) hafnium | 5.5 (between apatite and microcline) rutherfordium | (data not available)
group 4 elements | Mohs hardness | 5.5 (median) (based on 3 values; 1 unavailable)
Ranked values
| | visual | ratios | 3 | zirconium | | 0.8 | 1 2 | hafnium | | 0.9 | 1.1 1 | titanium | | 1 | 1.2