Lepidolite reflectance spectrum, 20±2°C, Pejcic et al. 2021 (EP2021-1148)
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Measurement details
| Description | SWIR-MIR-TIR reflectance spectrum of Lepidolite [K(Li,Al)3(Si,Al)4O10(F,OH)2] in specimen 'M2526' (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 | Lepidolite [ K(Li, Al)3(Si, Al)4O10(F, 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 | 0.0343 … 0.601 absolute reflectance |
| Download | Lepidolite_Reflectance.txt [83.6 kB] |
Specimen details
| Name | M2526 Lepidolite |
| Owner | CSIRO - ARRC Collection |
| Locality | Grosmont lepidolite locality, Coolgardie district, WA, Australia |
| Phase abundance (QXRD) |
|
| Other measurements | Reflectance XRD |
Specimen image
Image of Lepidolite, Lepidolite-1M and Lepidolite-2M1 in specimen 'M2526 Lepidolite' [CSIRO], from Grosmont lepidolite locality, Coolgardie district, WA, Australia.
(C) 2026 CSIRO Mineral Resources. All rights reserved.
Composition
| Element | At% | Wt% |
|---|---|---|
| H | 4.77 | 0.26 |
| Li | 9.54 | 3.58 |
| K | 4.762 | 10.07 |
| Al | 4.76 | 6.95 |
| Si | 19.04 | 28.93 |
| O | 52.37 | 45.32 |
| F | 4.76 | 4.89 |
| Total | 100 | 100 |