Beidellite [ (Na,Ca)0.3Al2(Si,Al)4O10(OH)2·nH2O ]
Material properties
| Formula | (Na,Ca)0.3Al2(Si,Al)4O10(OH)2·nH2O |
| Abbreviation | Bei |
| IMA Status | Grandfathered (pre-IMA), 1925 |
| Crystal symmetry | Monoclinic, Point group 2/m, Space group C2/m (#12) |
| Classifications | Minerals containing H2O, Minerals containing OH, Smectite (group) |
| Reflectance line | 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 | Wt% |
|---|---|
| H | 1.04 |
| Na | 2.95 |
| Al | 17.33 |
| Si | 25.25 |
| O | 53.43 |
| Total: | 100 |
Specimens of Beidellite
| Name | Owner | Materials | Image |
|---|---|---|---|
| SBCa-1 Beidellite | CSIRO | Anatase, Beidellite, Kaolinite, Montmorillonite, Quartz |
