Jadeite CL/SEM spectrum, 20 keV e- beam, CSIRO 2011
Measurement details
| Description | CL/SEM spectrum of Jadeite |
| Reference | Otherwise unpublished luminescence spectra measured by the CSIRO Mineral Resources Microbeam Laboratory, Clayton https://research.csiro.au/microbeam-lab/ |
| Material | Jadeite [ NaAlSi2O6 ] |
| Specimen | MVE023-1 [Smithsonian Institution] |
| Specimen temperature | Ambient |
| Technique | Cathodoluminescence (CL), using an Electron Probe Micro-Analyser (EPMA) |
| Instrument | JEOL 8500F |
| Probe | 20 keV electron beam |
| Beam current | 44 nA |
| Probe diameter | 2 μm |
| Detector name | OceanOptics QE65000 |
| Det. technology | CCD, Si, Peltier cooled |
| Channel count | 1024 |
| Energy range | 1.26074 … 6.23939 eV |
| Intensity range | -0.499839 … 66.084 counts |
| Integral | 20908.2 counts |
| Lines | Unspecified 3.09 eV (100%), 2.04 eV |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Na | 1 | 10 | 11.4 |
| Al | 1 | 10 | 13.3 |
| Si | 2 | 20 | 27.8 |
| O | 6 | 60 | 47.5 |
Measurement spectrum
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Measurement image
Image of CL/SEM spectrum of Jadeite