Andalusite [ Al2SiO5 ]
Material properties
| Formula | Al2SiO5 |
| Abbreviation | And |
| IMA Status | Grandfathered (pre-IMA), 1798 |
| Crystal symmetry | Orthorhombic |
| Classification | Andalusite (subgroup) |
| Related materials | Kyanite, Sillimanite |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Aluminosilicate, Mineral |
Composition
| Element | Atoms |
|---|---|
| Si | 1 |
| Al | 2 |
| O | 5 |
| Total: | 8 |
Specimens of Andalusite
| Name | Owner | Materials | Phase purity | Image |
|---|---|---|---|---|
| M2168 Andalusite | CSIRO | Andalusite (91.6%), Grossular, Muscovite-2M1, Sillimanite | 91.6 |
