| Property | Amazonite | Watermelon Tourmaline |
|---|---|---|
| Category | Semi-Precious Gems | Semi-Precious Gems |
| Primary Color | various | various |
| Mohs Hardness | 6.0–6.5 | 7.0–7.5 |
| Specific Gravity | 2.55 | 2.9 |
| Refractive Index | 1.522 | 1.614 |
| Crystal System | Triclinic | Trigonal |
| Luster | Vitreous | Vitreous |
| Chemical Formula | — | — |
| Price Tier | Moderate ($50-500/ct) | Moderate ($50-500/ct) |
| Daily Wear | No | Yes |