| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| refractive index of diamond | 1.31 | 0.5 | 7866 | 19 | 27 |
| refractive | 0.76 | 0.7 | 7526 | 49 | 10 |
| index | 1.89 | 0.4 | 5665 | 87 | 5 |
| of | 0.65 | 0.7 | 3540 | 12 | 2 |
| diamond | 1.29 | 0.7 | 5445 | 94 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| refractive index of diamond | 0.71 | 0.5 | 9339 | 43 |
