Orthoclase [ KAlSi3O8 ]
Images of Orthoclase
Material properties
| Formula | KAlSi3O8 |
| Abbreviation | Or |
| Classification | K feldspar |
| Luminescence emitters | AlO4, Al-O- -Al, Exsolution features, Fe, Mn, Pb, Si-O, Triplet-singlet |
| Spectra | Luminescence (1) |
| IMA Status | Approved (IMA 1962 s.p.) |
| Search other databases | webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Related materials | Microcline |
| Tags | Mineral, Aluminosilicate |
Composition
| Element | Atoms |
|---|---|
| K | 1 |
| O | 8 |
| Al | 1 |
| Si | 3 |
| Total: | 13 |
Specimens of Orthoclase
| Name | Owner | Materials | Image | Spectra | Techniques |
|---|---|---|---|---|---|
| M1296 Petalite / Microcline | CSIRO | Albite, Ca, Microcline, Muscovite-2M1, Orthoclase, Petalite, Quartz | 1 | Reflectance | |
| M2101 Pollucite | CSIRO | Orthoclase, Pollucite, Quartz | 1 | Reflectance | |
| MES123 Pollucite | CSIRO | Orthoclase, Pollucite, Quartz | 1 | Reflectance |
