Input interpretation
group 11 elements | Mohs hardness
Results
copper | 3 (≈ calcite) silver | 2.5 (between gypsum and calcite) gold | 2.5 (between gypsum and calcite) roentgenium | (data not available)
group 11 elements | Mohs hardness | 2.5 (median) (based on 3 values; 1 unavailable)
Ranked values
| | visual | ratios | 3 | silver | | 0.8 | 1 2 | gold | | 0.8 | 1 1 | copper | | 1 | 1.2