Talc reflectance spectrum, 20±2°C, Pejcic et al. 2021 (EP2021-1148)
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Measurement details
| Description | Reflectance spectrum of Talc [Mg3Si4O10(OH)2] in specimen 'TS01' (CSIRO - C. Laukamp). |
| 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 | Talc [ Mg3Si4O10(OH)2 ] |
| 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 | 0.0547 … 0.961 absolute reflectance |
| Download | Talc_Reflectance.txt [83.6 kB] |
Specimen details
| Name | TS01 Talc / Corundum |
| Owner | CSIRO - ARRC Collection |
| Locality | Three Springs, Shire of Three Springs, Mid West Region, WA, Australia |
| Link to CMR Specify database | https://cmr-specify.csiro.au/specify/bycatalog/CMR-MS/2024-MS-0000000795 |
| Phase abundance (QXRD) |
|
| Other measurements | Clinochlore, Corundum and Talc XRD quant/phase, x-ray beam, Owen and Gomez-Camacho 2022 (Job # 5974) |
Specimen image
Image of Talc, Clinochlore (var. Fe) and Corundum in specimen 'TS01 Talc / Corundum' [CSIRO], from Three Springs, Shire of Three Springs, Mid West Region, WA, Australia.
(C) 2026 CSIRO Mineral Resources. All rights reserved.
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Mg | 3 | 14.3 | 19.2 |
| Si | 4 | 19 | 29.6 |
| O | 12 | 57.1 | 50.6 |
| H | 2 | 9.52 | 0.532 |
| Total | 21 | 100 | 100 |