Aspidolite
| Aspidolite | |
|---|---|
| General | |
| Category | Phyllosilicate minerals |
| Group | Mica group, trioctahedral mica group |
| Formula | NaMg3AlSi3O10(OH)2 |
| IMA symbol | Asp |
| Crystal system | Monoclinic |
| Crystal class | 2/m |
| Space group | C2/m |
| Unit cell | a = 5.291(8), b = 9.16(2), c = 10.12(2) Å |
| Identification | |
| Fracture | Micaceous |
| Optical properties | Biaxial (-) |
| References | |
Aspidolite is a mica group phyllosilicate mineral, the sodium analogue of the magnesium-rich mineral phlogopite. The ideal chemical formula for aspidolite is NaMg3AlSi3O10(OH)2.
