| Name | Aventurine |
| Class | Semi-precious |
| Category | Quartz |
| Crystal system | Rhombohedral |
| Chemical composition | Silicon dioxide (SiO₂) with inclusions of fuchsite, hematite, or mica |
| Hardness (Mohs scale) | 6.5 to 7 |
| Transparency | Translucent to opaque |
| Geographical origin | India, Brazil, Russia, China, United States, Tanzania |






















































































































































































































