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

Composition of Adularia in specimen "ASGS adularia" [Museo Nacional de Ciencias Naturales].
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