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

Measurement details

Description VNIR-SWIR reflectance spectrum of Monazite [REE(PO4)] in specimen 'M1050' (CSIRO - ARRC Mitchel Collection).
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) ]
Specimen M1050 Monazite [CSIRO - ARRC Mitchel Collection]
Specimen temperature 20±2°C
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 0.020665 … 0.237003 absolute reflectance

Composition

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

Measurement spectrum

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