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, veff=7.3
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