Talc [ Mg3Si4O10(OH)2 ]
Material properties
| Formula | Mg3Si4O10(OH)2 |
| Abbreviation | Tlc |
| Classifications | Minerals containing OH, Clay |
| Luminescence emitters | M3OH, M[n]OH, OH, RSC, Si-O, Triplet-singlet |
| Spectra | Reflectance (3) |
| IMA Status | Grandfathered (pre-IMA), antiquity |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Crystal symmetry | Monoclinic, Point group 2/m, Space group C2/c (#15) |
| Tags | Mineral, Silicate , Hydroxide |
Composition
| Element | Atoms |
|---|---|
| O | 12 |
| H | 2 |
| Si | 4 |
| Mg | 3 |
| Total: | 21 |
References for Talc
|
Lines | Spectra | Images | ||
|---|---|---|---|---|---|
| Hamblen 2003 | 0 | 0 | 2 | ||
| Laukamp et al. 2021 | 9 | 0 | 0 | ||
| Pejcic et al. 2021 (EP2021-1148) | 0 | 1 | 0 | ||
| CSIRO Reflectance (2025) | 0 | 2 | 0 | ||
| Ryskin 1974 | 1 | 0 | 0 | ||
| Tarashchan 1978 | 1 | 0 | 0 |
Specimens of Talc
| Name | Owner | Materials | Image | Spectra | Techniques |
|---|---|---|---|---|---|
| M1653 Talc | CSIRO | Talc | 1 | Reflectance | |
| MES199 Talc | CSIRO | Clinochlore, Fe, Talc | 1 | Reflectance | |
| TS01 Talc / Corundum | CSIRO | Clinochlore, Fe, Corundum, Talc | 1 | Reflectance |
