Data in this database are freely available under the request of citation of this paper and the paper in which the data were published.
Palagonite
origin | volcanic ashes collected on Hawaii by Ted Roush, palagonite sample 91-16. The sample was sieved before it was used. For more information see Banin et al. 1997 |
main constituent | palagonite |
practical significance | Martian dust analog |
particle size | measured size distributions Fraunhofer: reff=4.5 μm, v |
particle shape | irregular |
refractive index | 1.5 + i[0.0001-0.001] |
color | red brown |
scattering matrix | 632.8 nm |
article | Laan EC, Volten H, Stam DM, Muñoz O, Hovenier JW, Roush TL. Scattering matrices and expansion coefficients of martian analogue palagonite particles. Icarus vol. 199, pp. 219–230, 2009 |