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The visible and infrared spectral properties of jarosite and alunite
Abstract
The visible and infrared spectral properties of two natural jarosite minerals and a suite of synthetic jarosites and alunite samples are described here. The fundamental stretching and bending vibrations observed in the infrared region for SO 4 2- and OH - are compared with the near-infrared overtones and combinations of these vibrations. Shifts were observed in the SO 4 2- and OH - bands for Al 3+ vs. Fe 3+ at the octahedral sites and K + vs. Na + at the “A„ (frequently monovalent) sites. Crystal-field theory bands were observed for jarosite near 435, 650, and 900.925 nm and were compared to those of iron oxides. Spectral bands near 1.76, 2.17, 2.53, 4.5, 8.10, and 15.24 μm (corresponding to ~5670, 4600, 3970.4150, 2100.2300, 1000.1225, and 420.675 cm -1 , respectively) for alunite and near 0.43, 0.91, 1.85, 2.27, 2.63, 4.9, 8.10, and 15.24 μm (corresponding to ~23 000, 10 990, 5400, 4350.4520, 3800.4150, 1950.2200, 1000.1190, and 440.675 cm -1 , respectively) for jarosite would be most useful for detecting these minerals using remote sensing on Earth or Mars. These minerals are important indicators of alteration processes, and this study contributes toward combined visible/near-infrared and mid-infrared spectral detection of these two alunite-group minerals.
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Shannon, R. D. (1976) · Acta Crystallographica Section A · doi:10.1107/s0567739476001551 · Cited by 66,145
Christensen, P. R., Bandfield, J. L., Hamilton, V. E., Ruff, S. W., Kieffer, H. H., Titus, T. N., Malin, M. C., Morris, R. V., Lane, M. D., Clark, R. L., et al. (2001) · Journal of Geophysical Research: Planets · doi:10.1029/2000je001370 · Cited by 1,061
Mars Surface Diversity as Revealed by the OMEGA/Mars Express Observations
Bibring, J.-P., Langevin, Y., Gendrin, A., Gondet, B., Poulet, F., Berthé, M., Soufflot, A., Arvidson, R., Mangold, N., Mustard, J., et al. (2005) · Science · doi:10.1126/science.1108806 · Cited by 973
Chemical composition of Martian fines
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Detection and discrimination of sulfate minerals using reflectance spectroscopy
CLOUTIS, E., HAWTHORNE, F., MERTZMAN, S., KRENN, K., CRAIG, M., MARCINO, D., METHOT, M., STRONG, J., MUSTARD, J., & BLANEY, D. (2006) · Icarus · doi:10.1016/j.icarus.2006.04.003 · Cited by 406
Mid-infrared emission spectroscopy of sulfate and sulfate-bearing minerals
Lane, M. D. (2007) · American Mineralogist · doi:10.2138/am.2007.2170 · Cited by 293
FTIR transmission spectroscopy of sideronatrite, a sodium-iron hydrous sulfate
Della Ventura, G., Ventruti, G., Bellatreccia, F., Scordari, F., & Cestelli Guidi, M. (2013) · Mineralogical Magazine · doi:10.1180/minmag.2013.077.4.09 · Cited by 12
Singh, P., Le Pera, E., Bhattacharya, S., Pande, K., & Banerjee, S. (2021) · Society of Earth Scientists Series · doi:10.1007/978-3-030-71370-6_23 · Cited by 4
Metadata
- Authors
- Bishop, J. L.
- Venue
- American Mineralogist
- Publisher
- Mineralogical Society of America
- Published
- 2005-07-01
- Volume
- 90
- Issue
- 7
- Pages
- 1100-1107
- ISSN
- 0003-004X (ISSN-L)
- OpenAlex
- W2004822956
- Cited by
- 245
- References
- 5
- FWCI
- 8.59
- Type
- journal article
- Language
- en
- Open access
- closed
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