Omphacite [ (Ca,Na)(Mg,Fe,Al)Si2O6 ]
Material properties
| Formula | (Ca,Na)(Mg,Fe,Al)Si2O6 |
| Abbreviation | Omp |
| Classification | Clinopyroxene |
| IMA Status | Approved (IMA 1988 s.p.) |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Mineral |
Composition
| Element | Atoms |
|---|---|
| Si | 2 |
| O | 6 |
| Ca | ~0.5 |
| Na | ~0.5 |
| Fe | ~0.3333 |
| Al | ~0.3333 |
| Mg | ~0.3333 |
Specimens of Omphacite
| Name | Owner | Materials | Phase purity | Image |
|---|---|---|---|---|
| MES082 Omphacite / Ferro-glaucophane / Epidote | CSIRO | Actinolite, Albite, Calcite, Epidote, Ferro-glaucophane, Majorite, Omphacite (30.0%), Quartz, Titanite | 30.0 |
