Dolomite CL spectrum, 15 keV e- beam, CSIRO 2023
Measurement details
Description | CL spectrum of Dolomite [CaMg(CO3)2] in specimen 'CSIRO S-23-013' from Bangladesh |
Reference | CSIRO 2023 https://research.csiro.au/microbeam-lab/ |
Date measured | 2023-07-05 |
Material | Dolomite [ CaMg(CO3)2 ] |
Specimen | S-23-013 Magnetite [CSIRO - Microbeam Lab client specimens] |
Technique | Cathodoluminescence (CL) |
Instrument | JEOL 8500F Linux |
Probe | 15 keV electron beam |
Beam current | 70.26 nA |
Probe diameter | 4 μm |
Detector name | OceanOptics QEPRO |
Det. technology | CCD, Si, Peltier cooled |
Acquisition time | 11.1644 s |
Channel count | 1024 |
Wavelength range | 198.557 … 982.656 nm |
Intensity range | -38.3712 … 4609.12 counts |
Integral | 1.1152×106 counts |
Data filter | Savitzky-Golay, 2nd order, ±10 channels |
Lines | (CO)n 2.9412 eV (100%), Mn2+ 1.894 eV (8.8%) |
Composition
Element | Atoms | At% | Wt% |
---|---|---|---|
Ca | 1 | 10 | 21.7 |
Mg | 1 | 10 | 13.2 |
C | 2 | 20 | 13 |
O | 6 | 60 | 52.1 |
Measurement spectrum
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Measurement image

CL spectrum of Dolomite [CaMg(CO3)2] from Bangladesh, measured July 2023, in map 'Guide 2-1 0009-3 Non-mag' (Combined 0009-3 Non-mag clustered.epmx).
© OpticalFit spectrum plot by A. Torpy. (C) 2023 CSIRO Mineral Resources