| very | 15 | degree |
| generally | 3 | degree |
| at hardness | 3 | other |
| mineral → be → hard | 68 |
| mineral → be → harder | 11 |
| mineral → be → the hardest | 6 |
| negative | neutral | positive |
| 0.219 | 0.695 | 0.086 |
| Raw frequency | 85 |
| Normalized frequency | 0.605 |
| Modifier score | 0.771 |
| Perplexity | 405.663 |