| on earth | 11 | location |
| in earth’s crust | 8 | location |
| very | 5 | degree |
| iridium → be → rare | 20 |
| iridium → be → one of the rarest elements | 4 |
| iridium → be → rare element | 4 |
| iridium → be → rare metal | 3 |
| negative | neutral | positive |
| 0.098 | 0.703 | 0.199 |
| Raw frequency | 31 |
| Normalized frequency | 1.000 |
| Modifier score | 0.500 |
| Perplexity | 173.240 |