Florencite-(Ce) CL spectrum, 20 keV e<sup>-</sup> beam, Torpy <i>et al.</i> 2020

Florencite-(Ce) CL spectrum, 20 keV e^- beam, Torpy et al. 2020

Measurement spectrum

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Measurement details

Description	CL spectrum of Florencite-(Ce) 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	2018-05-07
Material	Florencite-(Ce) [ CeAl₃(PO₄)₂(OH)₆ ]
Analysis technique	Cathodoluminescence (CL)
Instrument	JEOL 8500F
Probe	20 keV electron beam
Beam current	69.95 nA
Probe diameter	2 μm
Acquisition time	1.39743 s
Channel count	1024
Wavelength range	348.233 … 730.123 nm
Intensity range	-1.72 … 2111 counts
Integral	394476 counts
Related measurement	Florencite-(Ce) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 (co-measured)
Lines	Sm³⁺ 2.09357 eV (100%), 2.22077 eV (75.3%), 2.20972 eV (47.7%), 2.1971 eV (18.9%), Unspecified 2 — 2.4 eV (74.5%)

Specimen details

Name	Tista 2020 D4 Zircon conc
Owner	CSIRO
Locality	Teesta River, Bangladesh
Type	Mineral concentrate
Form	Polished section, epoxy mount
Other measurements	CL Apatite CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Kyanite CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Muscovite CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Plagioclase CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Plagioclase CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Quartz CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Scheelite CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Titanite 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 Apatite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Biotite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Florencite-(Ce) 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 Plagioclase EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Plagioclase EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Quartz EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Rutile EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Scheelite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Titanite 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

Image of a specimen of Zircon from Tista River, Bangladesh

© (C) 2020 CSIRO Mineral Resources

Composition

Nominal composition of Florencite-(Ce) [ CeAl₃(PO₄)₂(OH)₆ ].
Element	Atoms	At%	Wt%
Ce	1	3.85	27.3
Al	3	11.5	15.8
P	2	7.69	12.1
O	14	53.8	43.7
H	6	23.1	1.18

Measurement image

CL spectrum of Florencite-(Ce) from the Tista River, Bangladesh