Aragonite vs Cinnabar
| Property | Aragonite | Cinnabar |
|---|---|---|
| Formula | CaCO3 | HgS |
| Crystal System | Orthorhombic | Trigonal |
| Mineral Class | 05 Carbonates and Nitrates | 02 Sulfides and Sulfosalts |
| Mohs Hardness | 3.5-4.0 | 2.0-2.5 |
| Color | Colorless, white, yellow, blue, green | Scarlet red, brownish-red |
| Luster | Vitreous | Adamantine |
| Streak | White | Scarlet |
| Transparency | Transparent | Translucent |
| Cleavage | Poor {010} | Perfect prismatic {1010} |
| Fracture | Subconchoidal | Conchoidal to uneven |