| rare blue mineral the gemstone of california | 0.44 | 0.9 | 9375 | 44 | 74 |
| gemstones found in northern california | 0.09 | 1 | 7081 | 38 | 18 |
| state gemstone of california | 0.22 | 0.7 | 4582 | 28 | 87 |
| gemstones found in california | 1.94 | 0.9 | 7963 | 29 | 39 |
| brilliant blue variety of a rare mineral | 1.12 | 0.2 | 3773 | 40 | 51 |
| gemstones in northern california | 1.34 | 0.3 | 5058 | 32 | 48 |
| what is the california state gemstone | 1.45 | 0.2 | 932 | 37 | 46 |
| california state gemstone benitoite | 1.03 | 0.1 | 2612 | 35 | 55 |
| gems found in california | 1.34 | 1 | 4884 | 24 | 76 |
| extremely rare blue gemstones | 1.71 | 0.4 | 2244 | 29 | 68 |
| what is the rarest blue gemstone | 1.18 | 0.5 | 586 | 32 | 23 |
| gemstone mining in california | 0.17 | 1 | 7595 | 29 | 6 |
| all the gold in california gemstones | 0.62 | 0.7 | 2328 | 36 | 23 |
| discover the hidden gems of california | 0.45 | 0.7 | 8235 | 38 | 1 |
| hidden gems of northern california | 0.38 | 0.5 | 3693 | 34 | 81 |
| rare earth minerals in colorado | 1.31 | 0.2 | 6696 | 31 | 81 |
| rare earth mine in california | 1.16 | 0.6 | 1132 | 29 | 94 |
| hidden gems in southern california | 0.2 | 0.1 | 9333 | 34 | 25 |
| rare gemstones and minerals | 0.94 | 0.3 | 7102 | 27 | 37 |
| benitoite gem mine california | 0.21 | 0.8 | 3553 | 29 | 47 |
| rare gems and minerals | 0.81 | 0.9 | 1066 | 22 | 91 |
| what is california's state gem | 0.46 | 0.6 | 7711 | 30 | 90 |
