Plagioclase CL/OM measurement, Telfer & Walker 1978
Measurement details
| Reference | Telfer D. J. & Walker G. (1978). Ligand field bands of Mn2+ and Fe3+ luminescence centres and their site occupancy in plagioclase feldspars. Modern Geology, 6(4), 199-210. |
| Material | Plagioclase [ (Na, Ca)[(Si, Al)AlSi2]O8 ] |
| Specimen temperature | Ambient |
| Technique | Cathodoluminescence (CL), using an optical microscope |
| Lines | Mn2+ 321 nm, 305.6 nm, 340 nm, 295.4 nm, 355 nm, 284.6 nm, 404 nm, 248.3 nm, 421 nm, 239.3 nm, 487 nm, 208.7 nm, 559 nm |
Composition
| Element | Atoms |
|---|---|
| Na | 0-1 |
| Ca | 0-1 |
| Al | 1-2 |
| Si | 2-3 |
| O | 8 |