Jadeite CL spectrum, 20 keV e- beam, CSIRO 2022
Measurement details
| Description | Average CL spectrum of brightest 1/20th fraction of Jadeite pixels (CSIRO sample P-610, Map_7_3) |
| Reference | CSIRO 2022 https://research.csiro.au/microbeam-lab/ |
| Date measured | 2022-09-08 |
| Material | Jadeite [ NaAlSi2O6 ] |
| Specimen | P-0610 Jadeite [CSIRO - Microbeam Lab P-mounts] |
| Specimen colour | Whitish blue |
| Technique | Cathodoluminescence (CL) |
| Instrument | JEOL 8530F |
| Probe | 20 keV electron beam |
| Beam current | 29.9 nA |
| Probe diameter | 2 μm |
| Detector name | OceanOptics QEPRO |
| Det. technology | CCD, Si, Peltier cooled |
| Acquisition time | 1221.13 s |
| Channel count | 1024 |
| Energy range | 1.27642 … 6.21094 eV |
| Intensity range | 8944 … 6.3715×106 counts |
| Integral | 1.3770×109 counts |
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
Average CL spectrum of brightest 1/20th fraction of Jadeite pixels (CSIRO sample P-610, Map_7_3)
© OpticalFit spectrum plot by A. Torpy. (C) 2023 CSIRO Mineral Resources