Diopside reflectance spectrum, 20±2°C, Pejcic et al. 2021 (EP2021-1148)
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Measurement details
| Description | SWIR-MIR-TIR reflectance spectrum of Diopside 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 | Diopside [ CaMgSi2O6 ] |
| 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 | 0.0426 … 0.197 absolute reflectance |
| Related measurement | Diopside reflectance spectrum, 20±2°C, Pejcic et al. 2022 (EP2022-5804) |
| Download | Hedenbergite_Reflectance.txt [83.6 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.
(C) 2026 CSIRO Mineral Resources. All rights reserved.
Composition
| 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 |