Data in this database are freely available under the request of citation of this paper and the paper in which the data were published.
Montmorillonite
origin | clay mineral commercially available from WARD's Science, USA |
main constituent | aluminium-rich clay mineral |
practical significance | early choices of Earth spectral analogs showed a predominantly montmorillonite composition since its reflectance spectra in the VIS and NIR are similar to the Martian spectra (Toon et al. 1977) |
particle size | measured size distributions Mie: reff=2.8 μm, v Fraunhofer: reff=1.8 μm, veff=1.6 |
particle shape | irregular |
refractive index | 1.52 + i0.0001 (488nm) (Sokolik and Toon 1999)
|
color | light gray |
scattering matrix | 488 nm |
article | Dabrowska DD, Muñoz O, Moreno F, Ramos JL, Martínez-Frías J, Gerhard W. . Scattering matrices of Martian dust analogs 488 nm and 647 nm. Icarus, vol. 250, pp. 83-94, 2015 |