Kyanite CL spectrum, 20 keV e<sup>-</sup> beam, Torpy <i>et al.</i> 2020

Kyanite CL spectrum, 20 keV e^- beam, Torpy et al. 2020

Measurement spectrum

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Measurement details

Description	CL spectrum of Al2SiO5 from the Tista River, Bangladesh
Reference	Torpy et al. 2020 Torpy, A., Wilson, N., MacRae, C., Pownceby, M., Biswas, P., Rahman, M., & Zaman, M. (2020). Deciphering the Complex Mineralogy of River Sand Deposits through Clustering and Quantification of Hyperspectral X-Ray Maps. Microscopy and Microanalysis, 26(4), 768-792 https://doi.org/10.1017/S143192762000135X
Date measured	2018-04-14
Material	Kyanite [ Al₂SiO₅ ]
Specimen temperature	Ambient
Analysis technique	Cathodoluminescence (CL)
Instrument	JEOL 8500F
Probe	20 keV electron beam
Beam current	69.64 nA
Probe diameter	2 μm
Detector name	OceanOptics QEPRO
Det. technology	CCD, Si, Peltier cooled
Acquisition time	674.2 s
Channel count	1024
Energy range	1.27642 … 6.21094 eV
Intensity range	100 (normalised intensity)
Related measurement	Kyanite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 (co-measured)
Lines	Cr³⁺ 1.624 eV (100%), 1.759 eV (21%), 1.802 eV (14.61%), Unspecified 1.416 eV (23.1%), 2.494 eV (9.44%), 1.297 eV (10.9%)

Specimen details

Name	Tista 2020 D4 Shaker
Owner	CSIRO
Locality	Teesta River, Bangladesh
Type	Mineral concentrate
Form	Polished section, epoxy mount
Other measurements	CL Albite CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Apatite CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Grossular CL spectrum, 20 keV e^- beam, Torpy et al. 2020 K feldspar CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Monazite-(Ce) CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Quartz CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Titanite CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Xenotime-(Y) CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Zircon CL spectrum, 20 keV e^- beam, Torpy et al. 2020 EDS Albite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Allanite-(Ce) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Amphibole EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Amphibole EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Amphibole EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Amphibole EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Andesine EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Apatite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Augite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Augite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Biotite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Bytownite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Chlorite (var. Mg, Fe) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Chlorite (var. Mg, Fe) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Epidote EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Garnet (var. Ca, Fe) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Garnet (var. Fe, Mg) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Garnet (var. Fe, Mn, Ca) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Garnet (var. Fe, Mn, Ca) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Garnet EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Garnet EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Grossular EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Ilmenite (var. Mn) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Ilmenite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 K feldspar EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Kyanite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Monazite-(Ce) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Muscovite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Oligoclase EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Quartz EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Staurolite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Titanite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Titanohematite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Xenotime-(Y) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Zircon EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Zoisite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020

Specimen image

Clustered phase map of river sands (D4 shaker), from the Tista River, Bangladesh. From Torpy et al. 2020

© (C) 2020 CSIRO Mineral Resources

Composition

Nominal composition of Kyanite [ Al₂SiO₅ ].
Element	Atoms	At%	Wt%
Al	2	25	33.3
O	5	62.5	49.4
Si	1	12.5	17.3

Measurement image

CL spectrum of Al2SiO5 from the Tista River, Bangladesh

© (C) 2018 CSIRO Mineral Resources