Kaolinite reflectance spectrum, 20±2°C, Pejcic et al. 2021 (EP2021-1148)
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Measurement details
| Description | Reflectance spectrum of Kaolinite [Al2Si2O5(OH)4] in specimen 'KGa1b' (CSIRO - C. Laukamp) from Georgia, USA. |
| Reference | Pejcic et al. 2021 (EP2021-1148) Pejcic, Bobby; Shelton, Tina; leGras, Monica; Laukamp, Carsten; Francis, Neil; Lau, Ian. Mid infrared spectral library. Perth: CSIRO; 2021. csiro:EP2021-1148. https://doi.org/10.25919/5b6n-n462 |
| Material | Kaolinite [ Al2Si2O5(OH)4 ] |
| Specimen temperature | 20±2°C |
| Analysis technique | Reflectance |
| Instrument | Bruker Vertex 80v FTIR spectrometer |
| Det. technology | HgCdTe (MCT) photodetector, LN2 cooled |
| Channel count | 3835 |
| Wavelength range | 1333.55 … 16665.6 nm |
| Intensity range | 0.0417 … 0.944 absolute reflectance |
| Download | Kaolinite_Reflectance.txt [83.6 kB] |
Specimen details
| Name | KGa1b Kaolinite |
| Owner | CSIRO - ARRC Collection |
| Locality | Washington County, Georgia, USA |
| Phase abundance (QXRD) | |
| Other measurements | Anatase and Kaolinite XRD quant/phase, x-ray beam, Owen et al. 2023 (Jobs # 6243, 6245) |
Specimen image
Image of Kaolinite and Anatase in specimen 'KGa1b Kaolinite' [CSIRO], from Washington County, Georgia, USA.
(C) 2025 CSIRO Mineral Resources. All rights reserved.
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Al | 2 | 11.8 | 20.9 |
| Si | 2 | 11.8 | 21.8 |
| O | 9 | 52.9 | 55.8 |
| H | 4 | 23.5 | 1.56 |
| Total | 17 | 100 | 100 |