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

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Measurement details

Description VNIR-SWIR reflectance spectrum of Diopside in specimen 'NR162' (CSIRO - ARRC) from Zillerthal, Tyrol, Austria.
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 Diopside [ CaMgSi2O6 ]
Specimen temperature 20±2°C
Analysis technique Reflectance
Instrument ASD FieldSpec3 spectrometer (model A122300)
Det. technology 512 element Si photodiode array (350-1000nm) + InGaAs photodiodes (1000-2500nm)
Acquisition time 3 s
Channel count 2151
Wavelength range 350 … 2499 nm
Intensity range 0.00465 … 0.0653 absolute reflectance
Related measurement Diopside reflectance spectrum, 20±2°C, Pejcic et al. 2021 (EP2021-1148)
Download Hedenbergite_Reflectance_2.txt [45.4 kB]

Specimen details

Name NR162 Diopside
Owner CSIRO - ARRC Collection
Locality Zillertal, Tyrol, Austria
Link to CMR Specify database https://cmr-specify.csiro.au/specify/bycatalog/CMR-MS/2024-MS-0000000971
Phase abundance (QXRD)
Other measurements Reflectance

XRD

Specimen image

Image of Diopside and Clinochlore (var. Fe) in specimen 'NR162 Diopside' [CSIRO], from Zillertal, Tyrol, Austria.

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Composition

Nominal composition of Diopside [ CaMgSi2O6 ].
Element Atoms At% Wt%
Ca 1 10 18.5
Mg 1 10 11.2
Si 2 20 25.9
O 6 60 44.3
Total 10 100 100