Monazite reflectance spectrum, 20±2°C, Pejcic et al. 2022 (EP2022-5804)
Measurement details
| Description | VNIR-SWIR reflectance spectrum of Monazite [REE(PO4)] in specimen 'M1772' (CSIRO - ARRC Mitchel Collection) 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 | Monazite [ REE(PO4) ] |
| Specimen | M1772 Monazite [CSIRO - ARRC Mitchel 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 | 5 s |
| Channel count | 2151 |
| Wavelength range | 350 … 2499 nm |
| Intensity range | 0.042806 … 0.236429 absolute reflectance |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| REE | 1 | ? | ? |
| P | 1 | 20 | 32.6 |
| O | 4 | 80 | 67.4 |
Measurement spectrum
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