| Typicality: | 0.496 |
| Saliency: | 0.348 |
| most commonly | 5 | degree |
| opal → form in → the sandstone | 4 |
| opal → be found in → sandstone | 3 |
| opal → be found with → sandstone | 3 |
| negative | neutral | positive |
| 0.036 | 0.899 | 0.065 |
| Raw frequency | 10 |
| Normalized frequency | 0.348 |
| Modifier score | 0.800 |
| Perplexity | 117.468 |