Azurite vs Galena
| Property | Azurite | Galena |
|---|---|---|
| Formula | Cu3(CO3)2(OH)2 | PbS |
| Crystal System | Monoclinic | Cubic (Isometric) |
| Mineral Class | 05 Carbonates and Nitrates | 02 Sulfides and Sulfosalts |
| Mohs Hardness | 3.5-4.0 | 2.5-2.8 |
| Color | Azure blue, dark blue | Lead-gray |
| Luster | Vitreous | Metallic |
| Streak | Light blue | Lead-gray |
| Transparency | Transparent | Opaque |
| Cleavage | Perfect {011}, fair {100} | Perfect cubic {001} |
| Fracture | Conchoidal | Subconchoidal |