Facts and Figures
name of sample	Allende
origin	crushed piece of Allende meteorite
main constituents	olivine
particle size	distributions measured with laser diffraction
	reff=0.8 micrometer, veff =3.3
particle shape	irregular (SEM image)
refractive index	estimated to be about:
	1.65 -  i0.001
color	dark grey powder
scattering matrix	from 5-173 degrees scattering angle
wavelength	441.6 nm (figure)
	632.8 nm (figure)
article	Experimental determination of scatteringmatrices of olivine and Allende meteorite particles.
	Muñoz O, Volten H, de Haan JF, Vassen W, Hovenier JW.
	Astronomy and Astrophysics, 360, 777-788, 2000