| amethyst → IsA → purple variety of quartz | 0.62 | |
| amethyst → IsA → stone | 0.60 | |
| amethyst → IsA → purple quartz | 0.55 | |
| amethyst → IsA → powerful and protective stone | 0.51 | |
| amethyst → IsA → prized gem | 0.51 | |
| amethyst → IsA → semiprecious stone | 0.50 | |
| amethyst → IsA → meditative and calming stone | 0.49 | |
| amethyst → IsA → excellent stone | 0.43 | |
| amethyst → IsA → precious stone | 0.40 | |
| amethyst → IsA → the birth stone | 0.38 | |
| amethyst → IsA → powerful healing stone | 0.36 | |
| amethyst → IsA → great stone | 0.36 | |
| amethyst → IsA → perfect stone | 0.35 | |
| amethyst → IsA → the zodiac stone | 0.35 | |
| amethyst → IsA → ninth stone | 0.32 | |
| amethyst → IsA → known mineral | 0.30 | |
| amethyst → IsA → purple stone | 0.30 | |
| amethyst → IsA → spiritual stone | 0.29 | |
| amethyst → IsA → clear quartz | 0.25 | |
| amethyst → IsA → the most highly valued stone | 0.24 | |
| amethyst → IsA → the rarest form of quartz | 0.16 |