Willemite reflectance spectrum, IR illum., Pejcic et al. 2022 (EP2022-5804)
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Measurement details
| Description | Reflectance spectrum of Willemite in M1098, from CSIRO Reflectance (2025). From original file 'Willemite_M1098_b.dpt'. |
| Reference | Pejcic et al. 2022 (EP2022-5804) Pejcic, Bobby; Shelton, Tina; Laukamp, Carsten; Lau, Ian; leGras, Monica. Visible-Near Infrared Spectral Library. Perth: CSIRO; 2022. csiro:EP2022-5804. https://doi.org/10.25919/whwy-ma94 |
| Date measured | 2025 |
| Material | Willemite [ Zn2SiO4 ] |
| Analysis technique | Reflectance |
| Instrument | Bruker Vertex 80v FTIR spectrometer |
| Illumination | IR light source |
| Channel count | 3667 |
| Wavelength range | 2004 … 16664 nm |
| Intensity range | 0.409 absolute reflectance |
| Line | H2O Stretch: 2800 — 3660 cm-1 |
| Download | Willemite_M1098_b.txt [80.0 kB] |
Specimen details
| Name | M1098 Willemite |
| Owner | CSIRO - ARRC Collection |
| Locality | Broken Hill, Far West Region, NSW, Australia |
| Link to CMR Specify database | https://cmr-specify.csiro.au/specify/bycatalog/CMR-MS/2024-MS-0000000871 |
| Phase abundance (QXRD) | Willemite: 100.0% |
| Other measurements | Willemite XRD quant/phase, x-ray beam, Owen et al. 2023 (Jobs # 6243, 6245) |
Specimen image
Image of Willemite [ Zn2SiO4 ] in specimen 'M1098 Willemite' [CSIRO].
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Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Zn | 2 | 28.6 | 58.7 |
| Si | 1 | 14.3 | 12.6 |
| O | 4 | 57.1 | 28.7 |
| Total | 7 | 100 | 100 |