| Color | Pink or reddish-brown |
| Texture | Granular or crystalline |
| Odor | Odorless |
| Taste | Salty, slightly sweet and mineral-like |
| Solubility in water | Partially soluble (about 26% at room temp.) |
| pH | Slightly alkaline (about 7.5-8.5) |
| Melting point | 801°C |
| Density | 2.98 g/cm³ |