Apatite reflectance spectrum, 20±2°C, Pejcic et al. 2022 (EP2022-5804)
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Measurement details
| Description | VNIR-SWIR reflectance spectrum of Apatite [Ca5(PO4)3(OH,F,Cl)] in specimen 'M0973' (CSIRO - ARRC) from Burgess Co., Ontario, Canada. |
| 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 | Apatite [ Ca5(PO4)3(OH, F, Cl) ] |
| 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 | 0.0206 … 0.321 absolute reflectance |
| Download | Apatite_Reflectance.txt [45.4 kB] |
Specimen details
| Name | M0973 Fluorapatite |
| Owner | CSIRO - Spectral Reference Library |
| Locality | Burgess County, Ontario, Canada |
| Link to CMR Specify database | https://cmr-specify.csiro.au/specify/bycatalog/CMR-MS/2024-MS-0000000051 |
| Phase abundance (QXRD) |
|
| Other measurements | Berlinite, Calcite, Dolomite and Fluorapatite XRD quant/phase, x-ray beam, Owen et al. 2023 (Jobs # 6243, 6245) |
Specimen image
Image of Apatite, Berlinite, Calcite and Fluorapatite in specimen 'M0973 Fluorapatite' [CSIRO], from Burgess County, Ontario, Canada.
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Composition
| Element | At% | Wt% |
|---|---|---|
| H | 1.66 | 0.07 |
| Ca | 23.42 | 39.36 |
| P | 14.05 | 18.25 |
| O | 57.76 | 38.76 |
| F | 1.56 | 1.24 |
| Cl | 1.56 | 2.32 |
| Total | 100 | 100 |