Facts and Figures
name of sample quartz
origin commercial sample, Sigma coatings, Holland
main constituents quartz
particle size distributions measured with laser diffraction
reff=2.3 micrometer, veff =2.3
particle shape irregular (SEM image)
refractive index 1.54 -i0.00000
color  white powder
scattering matrix from 5-173 degrees scattering angle
wavelength 441.6 nm (figure)
632.8 nm (figure)
article Scattering matrices of mineral particles at 441.6 nm and 632.8 nm.
Volten H, Muņoz O, Rol E, de Haan JF, Vassen W, Hovenier JW, Muinonen K, Nousiainen T.
Journal of Geophysical Research, 106, 17375-17401,2001