Cancrinite [ (Na,Ca,☐)8(Al6Si6)O24(CO3,SO4)2·2H2O ]
Material properties
| Formula | (Na,Ca,☐)8(Al6Si6)O24(CO3,SO4)2·2H2O |
| Abbreviation | Ccn |
| IMA Status | Grandfathered (pre-IMA), 1833 |
| Crystal symmetry | Hexagonal, Point group 6, Space group P62 (#171) |
| Classifications | Minerals containing H2O, Minerals containing CO3, Calcrinite (group), Minerals containing SO4 |
| Luminescence emitter | Fe |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Aluminosilicate, Carbonate, Hydrated, Mineral, Sulphate |
Composition
| Element | Atoms |
|---|---|
| Si | 6 |
| H | 4 |
| Al | 6 |
| C | ~1 |
| Na | ~2.667 |
| Ca | ~2.667 |
| O | ~33 |
| ☐ | ~2.66667 |
| S | ~1 |