Adularia CL measurement, 10 keV e- beam, Correcher and García-Guinea 2001
Measurement details
Reference | Correcher and García-Guinea 2001 Correcher V. and García-Guinea J. (2001). On the luminescence properties of adularia feldspar. Journal of Luminescence, 93, pp303–312 https://doi.org/10.1016/S0022-2313(01)00201-0 |
Material | Adularia [ KAlSi3O8 ] |
Specimen | ASGS adularia [Museo Nacional de Ciencias Naturales], Saint-Gotthard Massif, Ticino, Switzerland |
Specimen temperature | Ambient |
Technique | Cathodoluminescence (CL) |
Probe | 10 keV electron beam |
Beam current | 400 nA |
Lines | Al-O- -Al 424 nm (22.2%), Defect 293 nm (8.8%), Fe3+ 690 nm (18.9%), Lattice defect 375 nm (10%), Mn2+ 566 nm (8.9%), Ti4+ 475 nm (31.1%) |
Composition
Element | Atoms | At% | Wt% |
---|---|---|---|
Na | 0.09 | 0.692 | 0.747 |
K | 0.91 | 7 | 12.9 |
Al | 1 | 7.69 | 9.74 |
Si | 3 | 23.1 | 30.4 |
O | 8 | 61.5 | 46.2 |