Hedenbergite reflectance spectrum, 20±2°C, Pejcic et al. 2022 (EP2022-5804)
Measurement details
| Description | VNIR-SWIR reflectance spectrum of Hedenbergite (CaFe2+Si2O6) 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 | Hedenbergite [ CaFeIISi2O6 ] |
| Specimen | NR162 Hedenbergite [CSIRO - ARRC Collection], Zillertal, Tyrol, Austria |
| Specimen temperature | 20±2°C |
| 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 |
| Energy range | 0.495937 … 3.54099 eV |
| Intensity range | 0.004645 … 0.065292 absolute reflectance |
| Related measurement | Hedenbergite reflectance spectrum, 20±2°C, Pejcic et al. 2021 (EP2021-1148) |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Ca | 1 | 10 | 16.2 |
| Fe | 1 | 10 | 22.5 |
| Si | 2 | 20 | 22.6 |
| O | 6 | 60 | 38.7 |
Measurement spectrum
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