Adularia CL/SEM spectrum, 20 keV e- beam, CSIRO 2016
Measurement details
| Description | CL/SEM spectrum of Adularia |
| Reference | Otherwise unpublished luminescence spectra measured by the CSIRO Mineral Resources Microbeam Laboratory, Clayton https://research.csiro.au/microbeam-lab/ |
| Material | Adularia [ KAlSi3O8 ] |
| Specimen temperature | Ambient |
| Technique | Cathodoluminescence (CL), using an Electron Probe Micro-Analyser (EPMA) |
| Instrument | JEOL 8500F |
| Probe | 20 keV electron beam |
| Beam current | 10 nA |
| Probe diameter | 20 μm |
| Channel count | 1024 |
| Energy range | 1.276 … 6.21118 eV |
| Intensity range | -0.0237662 … 30.2049 counts |
| Integral | 12500.9 counts |
| Data filter | Savitzky-Golay, 3rd order, ±15 channels |
| Lines | Fe3+ 1.757 eV (45%), Ti4+ 2.625 eV (100%), Unspecified 1.404 eV (46%) |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| K | 1 | 7.69 | 14 |
| Al | 1 | 7.69 | 9.69 |
| Si | 3 | 23.1 | 30.3 |
| O | 8 | 61.5 | 46 |
Measurement spectrum
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Measurement image
Image of CL/SEM spectrum of Adularia
© (C) 2016 CSIRO Mineral Resources