Dravite reflectance spectrum, IR illum., CSIRO 2025
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Measurement details
| Description | Reflectance spectrum of Dravite in M1070, from CSIRO Reflectance (2025). From original file 'Tourmaline_dravite_M1070_a.dpt'. |
| Reference | Reflectance spectra measured by C. Laukamp and co-authors, CSIRO Mineral Resources |
| Material | Dravite [ NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) ] |
| Analysis technique | Reflectance |
| Instrument | Bruker Vertex 80v FTIR spectrometer |
| Illumination | IR light source |
| Channel count | 3667 |
| Wavelength range | 2004 … 16664 nm |
| Intensity range | 0.334 absolute reflectance |
| Download | Tourmaline_dravite_M1070_a.txt [80.1 kB] |
Specimen details
| Name | M1070 Dravite |
| Owner | CSIRO - ARRC Collection |
| Link to CMR Specify database | https://cmr-specify.csiro.au/specify/bycatalog/CMR-MS/2024-MS-0000000826 |
| Phase abundance (QXRD) | |
| Other measurements | Calcite and Dravite XRD quant/phase, x-ray beam, Owen and Gomez-Camacho 2022 (Job # 5974) |
Specimen image
Image of Dravite and Calcite in specimen 'M1070 Dravite' [CSIRO].
(C) 2026 CSIRO Mineral Resources. All rights reserved.
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Na | 1 | 1.85 | 2.4 |
| Mg | 3 | 5.56 | 7.61 |
| Al | 6 | 11.1 | 16.9 |
| Si | 6 | 11.1 | 17.6 |
| O | 31 | 57.4 | 51.7 |
| B | 3 | 5.56 | 3.38 |
| H | 4 | 7.41 | 0.421 |
| Total | 54 | 100 | 100 |