| Name | African Turquoise |
| Class | Silicates |
| Category | Jasper (quartz variety) |
| Crystal system | Trigonal |
| Chemical composition | SiO₂ with inclusions of copper, iron, and jasper |
| Hardness (Mohs scale) | 6.5 to 7 |
| Transparency | Opaque |
| Geographical origin | South Africa, Namibia |






















































































































































































































