Pyrite (var. synthetic) CL spectrum, 10 keV e- beam, LN2 (77K), MacRae et al. 2020

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Measurement details

Description CL spectrum of Pyrite
Reference MacRae et al. 2020
MacRae C., Liu W., Wilson N., Glenn M. & Torpy A. (2020). Zinc Sulphide Ore Formation – a Cathodoluminescence and X-ray Examination. Microscopy and Microanalysis, 26(S2), 756-758. DOI: 10.1017/S1431927620015743
https://doi.org/10.1017/S1431927620015743
Date measured 2021-09-23
Material Pyrite (var. synthetic) [ FeS2 ]
Specimen temperature LN2 (77K)
Analysis technique Cathodoluminescence (CL)
Instrument JEOL 8530F
Probe 10 keV electron beam
Beam current 40.1 nA
Probe diameter 0.3 μm
Detector name PIXIS: 100B
Det. technology CCD, Si, Peltier cooled
Acquisition time 70.4011 s
Channel count 1320
Wavelength range 363.132 … 640.185 nm
Intensity range 62.2 … 6131 counts
Integral 3.2634×106 counts
Data filter Savitzky-Golay, 3rd order, ±40 channels

Specimen image

Image of a specimen of Zinc sulphide, Anhydrite and Pyrite


Composition

Nominal composition of Pyrite (var.synthetic) [ FeS2 ].
Element Atoms At% Wt%
Fe 1 33.3 46.5
S 2 66.7 53.5
Total 3 100 100

Measurement image

CL spectrum of Pyrite

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