Monazite reflectance spectrum, 20±2°C, Pejcic <i>et al.</i> 2022 (EP2022-5804)

Monazite reflectance spectrum, 20±2°C, Pejcic et al. 2022 (EP2022-5804)

Description	VNIR-SWIR reflectance spectrum of Monazite [REE(PO4)] in specimen 'M1600' (CSIRO - ARRC Mitchel Collection) from Normanville, SA, Australia.
Reference	Pejcic et al. 2022 (EP2022-5804) Pejcic, Bobby; Shelton, Tina; Laukamp, Carsten; Lau, Ian; leGras, Monica. Visible-Near Infrared Spectral Library. Perth: CSIRO; 2022. csiro:EP2022-5804. https://doi.org/10.25919/whwy-ma94
Material	Monazite [ REE(PO₄) ] Image of Monazite-(Ce), Ilmenite and Quartz in specimen 'M 12149' (Museums Victoria) from Victoria, Australia © Photograph by Frank Coffa, Museums Victoria, CC-BY-4.0
Specimen temperature	20±2°C
Analysis technique	Reflectance
Instrument	ASD FieldSpec3 spectrometer (model A122300)
Det. technology	512 element Si photodiode array (350-1000nm) + InGaAs photodiodes (1000-2500nm)
Acquisition time	5 s
Channel count	2151
Wavelength range	350 … 2499 nm
Intensity range	0.0893 … 0.433 absolute reflectance

Name	M1600 Monazite
Owner	CSIRO - ARRC Mitchel Collection
Locality	Normanville, District Council of Yankalilla, Fleurieu Peninsula, SA, Australia
Phase abundance (QXRD)	Monazite-(Ce): 88.6% Quartz: 6.3% Phlogopite-1M: 5.1%

Nominal composition of Monazite [ REE(PO₄) ].
Element	Atoms	At%	Wt%
REE	1	?	?
P	1	20	32.6
O	4	80	67.4