Sepiolite [ Mg4Si6O15(OH)2·6H2O ]
Material properties
| Formula | Mg4Si6O15(OH)2·6H2O |
| Abbreviation | Sep |
| IMA Status | Grandfathered (pre-IMA), 1847 |
| Crystal symmetry | Orthorhombic, Point group mmm, Space group Pnna (#52) |
| Classifications | Minerals containing H2O, Minerals containing OH, Sepiolite (group) |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Hydrated, Hydroxide, Mineral, Silicate |
Composition
| Element | Atoms |
|---|---|
| Si | 6 |
| H | 14 |
| O | 23 |
| Mg | 4 |
| Total: | 47 |
Specimens of Sepiolite
| Name | Owner | Materials | Phase purity | Image |
|---|---|---|---|---|
| SepSp-1 Sepiolite | CSIRO | Powellite, Quartz, Sepiolite (96.8%) | 96.8 | |
| API H46-1 Palygorskite | CSIRO | Montmorillonite, Palygorskite, Quartz, Sepiolite (10.1%) | 10.1 |
