Template:Nephrite
From The Gemology Project
| Nephrite | |
|---|---|
| Chemical composition | Complex Ca Mg/Fe (calcium magnesium/iron) silicate |
| Crystal system | Monoclinic |
| Habit | Polycrystalline |
| Fracture | Splintery |
| Hardness | 6.5 |
| Refractive index | ±1.62 |
| Specific gravity | 2.90 - 3.20 |
| Lustre | Greasy to vitreous |
