Portlandite
Properties
| Formula | Ca(OH)2 |
| Abbreviation | Por |
| Classification | Brucite (group) |
| IMA Status | Grandfathered (pre-IMA), 1933 |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Crystal symmetry | Trigonal, Point group 3m, Space group P3m1 (#164) |
| Tags | Mineral, Hydroxide |
Composition
| Element | Atoms |
|---|---|
| Ca | 1 |
| O | 2 |
| H | 2 |
| Total: | 5 |