Facts and Figures

name of sample

Hematite

origin

Provided by group of Prof. Shkuratov at the University of Kharkov, Ukraine


main constituents

Hematite is an iron oxide, Fe2O3

particle size

distributions measured with laser diffraction

reff=0.4 micrometer, veff =0.6

particle shape

irregular (SEM image)

refractive index

estimated to be around:

3.0 -  i0.1-0.01

color 

dark red powder

scattering matrix

from 5-174 degrees scattering angle

wavelength

632.8 nm (figure)

article

Experimental and computational study of light scattering by irregular particles with extreme 
refractive indices: hematite and rutile. 


Muñoz O, Volten H, Hovenier JW., Min M, Shkuratov YG, Jalava JP, van der Zande WJ,

Waters LBFM

Astronomy and Astrophysics, 446, 525-535, 2006


See also:

The negative polarization of light scattered from particulate surfaces and of independently scattering particles, Shkuratov Yu, Ovcharenko A, Zubko E, Volten H, Muñoz O, Videen G, Journal of Quantitative Spectroscopy and Radiative Transfer, 88, 267-284 (2004).