Scheelite reflectance spectrum, 20±2°C, Pejcic et al. 2022 (EP2022-5804)
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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 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 | 0.087 … 0.397 absolute reflectance |
| Download | Scheelite_Reflectance.txt [45.4 kB] |
Specimen details
| Name | M1064 Scheelite |
| Owner | CSIRO - ARRC Collection |
| Locality | Queensland, Australia |
| Link to CMR Specify database | https://cmr-specify.csiro.au/specify/bycatalog/CMR-MS/2024-MS-0000000717 |
| Phase abundance (QXRD) |
|
| Other measurements | Reflectance XRD |
Specimen image
Image of Scheelite and Actinolite in specimen 'M1064 Scheelite' [CSIRO], from Queensland, Australia.
(C) 2026 CSIRO Mineral Resources. All rights reserved.
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Ca | 1 | 16.7 | 13.9 |
| W | 1 | 16.7 | 63.9 |
| O | 4 | 66.7 | 22.2 |
| Total | 6 | 100 | 100 |