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

Measurement details

Description SWIR-MIR-TIR reflectance spectrum of Actinolite in specimen 'NR_ACT_02'
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 Actinolite [ ☐Ca2(Mg4.5-2.5FeII0.5-2.5)Si8O22(OH)2 ]
Specimen NR_ACT_02 Actinolite [CSIRO - ARRC Collection]
Specimen temperature 20±2°C
Technique Reflectance
Instrument Bruker Vertex 80v FTIR spectrometer
Det. technology HgCdTe (MCT) photodetector, LN2 cooled
Channel count 3835
Energy range 0.074378 … 0.929505 eV
Intensity range 0.044645 … 0.292347 absolute reflectance
Related measurement Actinolite reflectance spectrum, 20±2°C, Pejcic et al. 2022 (EP2022-5804)
Lines OH 2ν: 7147 cm-1, OH ν: 3660 cm-1

Composition

Nominal composition of Actinolite [ ☐Ca2(Mg4.5-2.5FeII0.5-2.5)Si8O22(OH)2 ].
Element Atoms At% Wt%
H 1.55 4.95 0.24
Na 0.167 0.533 0.59
Mg 2.6 8.3 9.71
Ca 1.4 4.46 8.6
Ti 0.015 0.0477 0.11
Mn 0.0154 0.0492 0.13
Fe 1 3.19 8.58
Al 0.335 1.07 1.39
Si 5.942 18.96 25.64
O 18.31 58.44 45.01

Measurement spectrum

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