Calcite CL spectrum, 20 keV e- beam, CSIRO 2020
Measurement details
| Description | CL spectrum of Mn rich calcite |
| Reference | Otherwise unpublished luminescence spectra measured by the CSIRO Mineral Resources Microbeam Laboratory, Clayton https://research.csiro.au/microbeam-lab/ |
| Date measured | 2020-02-13 |
| Material | Calcite [ CaCO3 ] |
| Technique | Cathodoluminescence (CL) |
| Instrument | JEOL 8530F |
| Probe | 20 keV electron beam |
| Beam current | 24 nA |
| Probe diameter | 3 μm |
| Acquisition time | 0.84 s |
| Channel count | 1024 |
| Energy range | 1.27642 … 6.21094 eV |
| Intensity range | -0.139972 … 99.6762 (normalised intensity) |
| Data filter | Savitzky-Golay, 3rd order, ±20 channels |
| Lines | Mn2+ 2.011 eV (100%), Unspecified 3.166 eV (28.9%) |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Ca | 1 | 20 | 40 |
| C | 1 | 20 | 12 |
| O | 3 | 60 | 48 |
Measurement spectrum
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Measurement image
CL spectrum of Mn rich calcite
© (C) 2020 CSIRO Mineral Resources