Hedenbergite reflectance spectrum, 20±2°C, Pejcic et al. 2021 (EP2021-1148)

Measurement details

Description SWIR-MIR-TIR reflectance spectrum of Hedenbergite (CaFe2+Si2O6) in specimen 'NR162' (CSIRO - C. Laukamp), measured September 2023.
Reference Pejcic et al. 2021 (EP2021-1148)
Pejcic, Bobby; Shelton, Tina; leGras, Monica; Laukamp, Carsten; Francis, Neil; Lau, Ian. Mid infrared spectral library. Perth: CSIRO; 2021. csiro:EP2021-1148. https://doi.org/10.25919/5b6n-n462
Material Hedenbergite [ CaFeIISi2O6 ]
Specimen NR162 Hedenbergite [CSIRO - ARRC], Zillerthal, Tyrol, Austria
Specimen temperature 20±2°C
Technique Reflectance
Instrument Bruker Vertex 80v FTIR spectrometer
Det. technology HgCdTe (MCT) photodetector, LN2 cooled
Channel count 3835
Wavelength range 1333.55 … 16665.6 nm
Intensity range 0.042623 … 0.196741 absolute reflectance
Related measurement Hedenbergite reflectance spectrum, 20±2°C, Pejcic et al. 2022 (EP2022-5804)

Composition

Nominal composition of Hedenbergite [ CaFeIISi2O6 ].
Element Atoms At% Wt%
Ca 1 10 16.2
Fe 1 10 22.5
Si 2 20 22.6
O 6 60 38.7

Measurement spectrum

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