Palygorskite [ (Mg,Al)2Si4O10(OH)·4H2O ]
Image of Palygorskite
Material properties
| Formula | (Mg,Al)2Si4O10(OH)·4H2O |
| Abbreviation | Plg |
| IMA Status | Grandfathered (pre-IMA), 1862 |
| Crystal symmetry | Monoclinic, Point group 2/m, Space group C2/m (#12) |
| Classifications | Minerals containing H2O, Minerals containing OH, Palygorskite (group) |
| Reflectance line | M[n]OH |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Aluminosilicate, Hydrated, Hydroxide, Mineral |
Composition
| Element | Atoms |
|---|---|
| Si | 4 |
| O | 15 |
| H | 9 |
| Mg | ~1 |
| Al | ~1 |
Specimens of Palygorskite
| Name | Owner | Materials | Phase purity | Image |
|---|---|---|---|---|
| PF1-1 Palygorskite | CSIRO | Fluor-elbaite, Goethite, Montmorillonite, Palygorskite (76.0%), Quartz | 76.0 | |
| MT8388a Palygorskite | CSIRO | Goethite, Montmorillonite, Palygorskite (66.3%), Quartz | 66.3 | |
| API H46-1 Palygorskite | CSIRO | Montmorillonite, Palygorskite (64.4%), Quartz, Sepiolite | 64.4 |
