Wollastonite CL/SEM spectrum, 20 keV e- beam, CSIRO 2016
Measurement spectrum
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Measurement details
| Description | CL/SEM spectrum of Wollastonite |
| Reference | Otherwise unpublished luminescence spectra measured by the CSIRO Mineral Resources Microbeam Laboratory, Clayton https://research.csiro.au/microbeam-lab/ |
| Material | Wollastonite [ CaSiO3 ] |
| Specimen temperature | Ambient |
| Analysis 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 |
| Detector name | OceanOptics QEPRO |
| Det. technology | CCD, Si, Peltier cooled |
| Grating | HC1 |
| Slit width | 100 μm |
| Channel count | 1024 |
| Energy range | 1.276 … 6.21118 eV |
| Intensity range | -0.281 … 2614 counts |
| Integral | 306320 counts |
| Lines | Mn 2.2358 eV (100%), 2.0985 eV (79%), Unspecified 2.7901 eV (7%) |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Ca | 1 | 20 | 34.5 |
| Si | 1 | 20 | 24.2 |
| O | 3 | 60 | 41.3 |
Measurement image
CL/SEM spectrum of Wollastonite