Alexandrite vs Amber
| Property | Alexandrite | Amber |
|---|---|---|
| Category | Semi-Precious Gems | Organic Gems |
| Primary Color | various | various |
| Mohs Hardness | 8.5 | 2.0–2.5 |
| Specific Gravity | 3.69 | 1.05 |
| Refractive Index | 1.739 | 1.539 |
| Crystal System | Orthorhombic | Amorphous |
| Luster | — | Resinous |
| Chemical Formula | — | — |
| Price Tier | Fine ($500-5,000/ct) | Budget (< $50/ct) |
| Daily Wear | 是 | 否 |