Petalite reflectance spectrum, IR illum., CSIRO
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Measurement details
| Description | Reflectance spectrum of Petalite in M1296, from CSIRO Reflectance (2025). From original file 'Petalite_M1296_a.dpt'. |
| Reference | Reflectance spectra measured by Carsten Laukamp and colleagues |
| Material | Petalite [ LiAlSi4O10 ] |
| Analysis technique | Reflectance |
| Instrument | Bruker Vertex 80v FTIR spectrometer |
| Illumination | IR light source |
| Channel count | 3667 |
| Wavelength range | 2004 … 16664 nm |
| Intensity range | 0.333 absolute reflectance |
| Line | H2O Stretch: 2800 — 3660 cm-1 |
| Download | Petalite_M1296_a.txt [80.0 kB] |
Specimen details
| Name | M1296 Petalite / Microcline |
| Owner | CSIRO - ARRC Collection |
| Phase abundance (QXRD) |
|
| Other measurements | Albite, Microcline, Muscovite-2M1, Orthoclase, Petalite and Quartz XRD quant/phase, x-ray beam, Owen et al. 2023 (Jobs # 6243, 6245) |
Specimen image
Image of Petalite, Albite (var. Ca), Microcline, Muscovite-2M1, Orthoclase and Quartz in specimen 'M1296 Petalite / Microcline' [CSIRO].
(C) 2026 CSIRO Mineral Resources. All rights reserved.
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Li | 1 | 6.25 | 2.27 |
| Al | 1 | 6.25 | 8.81 |
| Si | 4 | 25 | 36.7 |
| O | 10 | 62.5 | 52.2 |
| Total | 16 | 100 | 100 |