Data in this database are freely available under the request of citation of   this paper   and the  paper   in which the data were published.

Red Clay

origin	commercially available from Argiletz, France
main constituent	biotite, illite, quartz
practical significance	interpretation of remote sensing data. Analogues of other planets' atmospheric dust, and dust in comets, asteroids, and circumstellar shells
particle size	measured size distributions Fraunhofer: reff=1.5 μm, veff=1.6
particle shape	irregular
refractive index	estimated to be in the range [1.5-1.7] + i[0.00001-0.001]
color	red brown
scattering matrix	441.6 nm 632.8 nm
article	Volten H, Muñoz O, Rol E, de Haan JF, Vassena W, Hovenier JW. Scattering matrices of mineral aerosol particles at 441.6 nm and 632.8 nm. Journal of Geophysical Research, 106, no. D15, pp. 17,375-17,401, 2001