Species / Silicates / #0197
Andalusite
Silicates orthorhombic #0197
Andalusite is a mineral species described as nesosilicate mineral. It is classified under the Nickel-Strunz scheme and its reference data is listed below.
| Formula | Al₂SiO₅ |
| Strunz code | 9.AF.10 |
| Class | Silicates |
| Crystal system | orthorhombic |
| Type locality | — |
| Named after | Andalusia |
| Streak | white |
Composition
O
49.37%
Al
33.3%
Si
17.33%
Molar mass 162.044 g/mol
Physical
Mohs
7.5
Density
3.15 g/cm³