Feldspar (group) CL/SEM measurement, e- beam, Götze et al. 1999

Measurement details

Reference Götze et al. 1999
Götze J., Habermann D., Neuser R. D. & Richter D. K. (1999). High-resolution spectrometric analysis of rare earth elements-activated cathodoluminescence in feldspar minerals. Chemical Geology, 153(1-4), 81-91. DOI: https://doi.org/10.1016/s0009-2541(98)00153-3
Material Feldspar (group) [ KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8 ]
Specimen temperature Ambient
Technique Cathodoluminescence (CL), using a Scanning Electron Microscope (SEM)
Probe Electron beam
Lines Al-O- -Al 380 — 500 nm, Si-O-|M2+ 470 — 620 nm

Composition

Nominal composition of Feldspar (group) [ KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8 ].
Element Atoms
Na 0-1
K 0-1
Ca 0-1
Al 1-2
Si 2-3
O 8