Epididymite [ Na2Be2Si6O15·H2O ]
Material properties
| Formula | Na2Be2Si6O15·H2O |
| Abbreviation | Edd |
| IMA Status | Grandfathered (pre-IMA), 1893 |
| Crystal symmetry | Orthorhombic, Point group mmm, Space group Pnma (#62) |
| Classification | Minerals containing H2O |
| Related materials | Eudidymite |
| Reflectance line | H2O |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Hydrated, Mineral, Silicate |
Composition
| Element | Atoms |
|---|---|
| Si | 6 |
| O | 16 |
| H | 2 |
| Na | 2 |
| Be | 2 |
| Total: | 28 |