| from is now known as iran | 6 | location |
| by the navajo tribe | 2 | other |
| extensively | 2 | degree |
| turquoise → be → mined | 20 |
| turquoise → be mined for → century | 3 |
| turquoise → be mined in → ancient times | 3 |
| negative | neutral | positive |
| 0.104 | 0.738 | 0.158 |
| Raw frequency | 26 |
| Normalized frequency | 0.729 |
| Modifier score | 0.500 |
| Perplexity | 107.737 |