| Name | Lapis Lazuli |
| Class | Silicates |
| Category | Metamorphic rock |
| Crystal system | Isometric |
| Chemical composition | Mainly Lazurite (Na₈Al₆Si₆O₂₄S₂), with presence of Pyrite, Calcite, and other minerals |
| Hardness (Mohs scale) | 5.5 to 6 |
| Transparency | Opaque |
| Geographical origin | Afghanistan, Russia, Chile, Italy, Myanmar |






















































































































































































































