| Property | Almandine | Bloodstone (Heliotrope) |
|---|---|---|
| Category | Semi-Precious Gems | Semi-Precious Gems |
| Primary Color | various | various |
| Mohs Hardness | 7.0–7.5 | 6.5–7.0 |
| Specific Gravity | 3.95 | 2.55 |
| Refractive Index | 1.77 | 1.53 |
| Crystal System | Isometric | Trigonal |
| Luster | Vitreous | Waxy,Resinous |
| Chemical Formula | — | — |
| Price Tier | Moderate ($50-500/ct) | Moderate ($50-500/ct) |
| Daily Wear | Yes | No |