Andradite [ Ca3FeIII2(SiO4)3 ]
Image of Andradite
Material properties
| Formula | Ca3FeIII2(SiO4)3 |
| Abbreviation | Adr |
| Classifications | Andradite-Grossular (series), Minerals containing SiO4 |
| Spectra | SXES (1) |
| IMA Status | Grandfathered (pre-IMA), 1868 |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Crystal symmetry | Cubic, Point group m3m, Space group Ia3d (#230) |
| Tags | Mineral, Silicate |
Composition
| Element | Atoms |
|---|---|
| O | 12 |
| Fe | 2 |
| Si | 3 |
| Ca | 3 |
| Total: | 20 |
Specimens of Andradite
| Name | Owner | Materials | Phase purity | Image | Spectra | Techniques |
|---|---|---|---|---|---|---|
| M0172 Andradite | CSIRO | Andradite (95.6%), Quartz | 95.6 | 0 | — | |
| M1339 Andradite | CSIRO | Andradite (84.4%), Fluorite, Magnetite, Quartz | 84.4 | 0 | — | |
| MES108 Andradite / Calcite | CSIRO | Andradite (61.8%), Calcite, Hematite, Quartz | 61.8 | 0 | — | |
| M1328 Augite / Andradite | CSIRO | Andradite (10.9%), Augite | 10.9 | 0 | — | |
| M1324 Diopside | CSIRO | Andradite (1.4%), Diopside | 1.4 | 0 | — | |
| M1069 Alunite | CSIRO | Alunite, Andradite (1.2%), Kaolinite, Quartz | 1.2 | 0 | — | |
| Ca3Fe2(SiO4)3 Hyper1-5 Andradite | CSIRO | Andradite | — | 1 | SXES |
