Topaz [ Al2SiO4F2 ]
Image of Topaz
Material properties
| Formula | Al2SiO4F2 |
| Abbreviation | Tpz |
| IMA Status | Grandfathered (pre-IMA), antiquity |
| Classification | Minerals containing SiO4 |
| Luminescence emitters | Cr, Fe, Mn, Ti, Unspecified |
| Spectra | Reflectance (1) |
| Search other databases | webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Aluminosilicate, Mineral |
Composition
| Element | Atoms |
|---|---|
| Si | 1 |
| Al | 2 |
| F | 2 |
| O | 4 |
| Total: | 9 |
Specimens of Topaz
| Name | Owner | Materials | Phase purity | Image | Spectra | Techniques |
|---|---|---|---|---|---|---|
| M2532 Topaz | CSIRO | Quartz, Topaz (98.0%) | 98.0 | 1 | Reflectance | |
| M2333 Tourmaline | CSIRO | Cassiterite, Goethite, Quartz, Schorl, Topaz (15.8%) | 15.8 | 0 | — |
