Sodalite CL/SEM spectrum, 10 keV e- beam, CSIRO 2021
Measurement details
Description | CL spectrum of Sodalite (CSIRO P432) |
Reference | Otherwise unpublished luminescence spectra measured by the CSIRO Mineral Resources Microbeam Laboratory, Clayton https://research.csiro.au/microbeam-lab/ |
Date measured | 2021-08-19 |
Material | Sodalite [ Na4(Si3Al3)O12Cl ] |
Specimen | P-0432 Blue sodalite [CSIRO - Microbeam Lab P-mounts], Poudrette Quarry, Mont Saint-Hilaire, Montérégie, Québec, Canada |
Technique | Cathodoluminescence (CL), using an Electron Probe Micro-Analyser (EPMA) |
Instrument | JEOL 8500F |
Probe | 10 keV electron beam |
Beam current | 5.003 nA |
Probe diameter | 2 μm |
Detector name | QE65000 |
Det. technology | CCD, Si, Peltier cooled |
Slit width | 200 μm |
Acquisition time | 65.52 s |
Channel count | 1024 |
Energy range | 1.26882 … 6.19608 eV |
Intensity range | 0.816456 … 99.6248 (normalised intensity) |
Data filter | Savitzky-Golay, 3rd order, ±20 channels |
Lines | F+ center 2.7 — 4.1 eV (18.4%), Fe3+ 1.814 eV (100%), Unspecified 2.078 eV (23.4%) |
Composition
Element | Atoms | At% | Wt% |
---|---|---|---|
Na | 4 | 17.4 | 19 |
Al | 3 | 13 | 16.7 |
Si | 3 | 13 | 17.4 |
O | 12 | 52.2 | 39.6 |
Cl | 1 | 4.35 | 7.32 |
Measurement spectrum
Loading...
Measurement image
CL spectrum of Sodalite (CSIRO P432)
© (C) 2021 CSIRO Mineral Resources