Scheelite reflectance spectrum, 20±2°C, Pejcic et al. 2022 (EP2022-5804)
Measurement details
| Description | VNIR-SWIR reflectance spectrum of Scheelite (CaWO4) in specimen 'M1064' (CSIRO - ARRC) from Queensland, Australia. |
| 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 | Scheelite [ CaWO4 ] |
| Specimen | M1064 Scheelite [CSIRO - ARRC Collection], Queensland, Australia |
| 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 |
| Wavelength range | 350 … 2499 nm |
| Intensity range | 0.087032 … 0.396989 absolute reflectance |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Ca | 1 | 16.7 | 13.9 |
| W | 1 | 16.7 | 63.9 |
| O | 4 | 66.7 | 22.2 |
Measurement spectrum
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