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

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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 temperature 20±2°C
Analysis 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 0.0446 … 0.292 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
Download Actinolite_Reflectance.txt [83.6 kB]

Specimen image

Image of Actinolite, Clinochlore (var. Fe), Magnetite, Quartz and Tremolite in specimen 'NR-ACT-02 Actinolite' [CSIRO].

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Composition

Nominal composition of Actinolite [ ☐Ca2(Mg4.5-2.5FeII0.5-2.5)Si8O22(OH)2 ].
Element At% Wt%
H 4.95 0.24
Na 0.533 0.59
Mg 8.3 9.71
Ca 4.46 8.6
Ti 0.0477 0.11
Mn 0.0492 0.13
Fe 3.19 8.58
Al 1.07 1.39
Si 18.96 25.64
O 58.44 45.01
Total 100 100