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

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Measurement details

Description SWIR-MIR-TIR reflectance spectrum of Augite in specimen '46e6454' (CSIRO - C. Laukamp).
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 Augite [ (Ca, Na)(Mg, Fe, Al, Ti)(Si, Al)2O6 ]
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 0.0464 … 0.248 absolute reflectance
Download Diopside_Reflectance.txt [83.6 kB]

Specimen details

Name 46E6454 Augite
Owner CSIRO - ARRC Collection
Catalog ID 46e6454
Locality Birds Creek, Herschel, Hastings Co., Ontario, Canada
Link to CMR Specify database https://cmr-specify.csiro.au/specify/bycatalog/CMR-MS/2024-MS-0000000959
Phase abundance (QXRD)
Other measurements Augite, Fluorite and Muscovite-1M XRD quant/phase, x-ray beam, Owen and Gomez-Camacho 2022 (Job # 5974)

Specimen image

Image of Diopside, Augite, Fluorite and Muscovite-1M in specimen '46E6454 Augite' [CSIRO], from Birds Creek, Herschel, Hastings Co., Ontario, Canada.

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Composition

Nominal composition of Augite [ (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6 ].
Element At% Wt%
Na 0.95 0.97
Mg 8.57 9.26
Ca 8.569 15.26
Ti 0.954 2.03
Fe 1.91 4.73
Al 3.81 4.57
Si 18.09 22.58
O 57.14 40.62
Total 100 100