Corundum [ Al2O3 ]
Images of Corundum
Material properties
| Formula | Al2O3 |
| Abbreviation | Crn |
| Classifications | Hematite (group), Alumina |
| Members | Sapphire, Eu doped, Ruby, Sapphire |
| Luminescence emitters | Ca/Mg, Cr, F+ center, Fe, Intrinsic, Unspecified |
| Spectra | Luminescence (1), SXES (1) |
| IMA Status | Grandfathered (pre-IMA), 1714 (?) |
| 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 R3c (#167) |
| Tags | Mineral, Simple oxide |
Composition
| Element | Atoms |
|---|---|
| Al | 2 |
| O | 3 |
| Total: | 5 |
References for Corundum
|
Lines | Spectra | Images | ||
|---|---|---|---|---|---|
| CSIRO SXES database | 0 | 1 | 1 | ||
| Moore & Karakus 1994 | 4 | 0 | 0 | ||
| CSIRO CL spectra 2016 | 6 | 1 | 1 | ||
| White 1974 | 7 | 0 | 0 |
Specimens of Corundum
| Name | Owner | Materials | Image | Spectra | Techniques |
|---|---|---|---|---|---|
| Al2O3 LE2-10 | CSIRO | Corundum | 1 | SXES | |
| TS01 Talc / Corundum | CSIRO | Clinochlore, Fe, Corundum, Talc | 1 | Reflectance |