Plagioclase CL spectrum, 20 keV e- beam, Rahman et al. 2020

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Measurement details

Description CL spectrum of Plagioclase from Cox's Bazar, Bangladesh
Reference Rahman et al. 2020
Rahman M. A., Tardio J., Bhargava S., Zaman M. N., Mehedi Hasan A. S. M., Torpy A. & Pownceby M. (2020). Comparison of the chemistry and mineralogy of ilmenite concentrates sourced from fluvial (Brahmaputra River) and beach placer (Cox's Bazar) deposits, Bangladesh., 117, 1-10. DOI: https://doi.org/10.1016/j.oregeorev.2019.103271
Date measured 2015-03-11
Material Plagioclase [ (Na, Ca)[(Si, Al)AlSi2]O8 ]
Analysis technique Cathodoluminescence (CL)
Instrument JEOL 8500F
Probe 20 keV electron beam
Beam current 57.8 nA
Probe diameter 2 μm
Detector name QE65000
Acquisition time 8.57364 s
Channel count 1024
Energy range 1.26182 … 6.25464 eV
Intensity range 100 (normalised intensity)

Composition

Nominal composition of Plagioclase [ (Na,Ca)[(Si,Al)AlSi2]O8 ].
Element Atoms
Na 0-1
Ca 0-1
Al 1-2
Si 2-3
O 8
Total 8