Aragonite vs Chalcopyrite
| Property | Aragonite | Chalcopyrite |
|---|---|---|
| Formula | CaCO3 | CuFeS2 |
| Crystal System | Orthorhombic | Tetragonal |
| Mineral Class | 05 Carbonates and Nitrates | 02 Sulfides and Sulfosalts |
| Mohs Hardness | 3.5-4.0 | 3.5-4.0 |
| Color | Colorless, white, yellow, blue, green | Brass-yellow, often with iridescent tarnish |
| Luster | Vitreous | Metallic |
| Streak | White | Greenish-black |
| Transparency | Transparent | Opaque |
| Cleavage | Poor {010} | Poor |
| Fracture | Subconchoidal | Conchoidal to uneven |