Old optical constants are:
olivine, [FexMg1-x]2SiO4, x = 0.30, density is 3.49 g/cm3,
orthopyroxene, [FexMg1-x]SiO3, x = 0.30, density is 3.40 g/cm3,
iron, Fe, density is 7.87 g/cm3,
troilite, FeS, density is 4.83 g/cm3,
refractory (density is 1.50 g/cm3) and volatile (density is 1.0 g/cm3) organics,
water ice, H2O, density is 0.92 g/cm3
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Astronomy and Astrophysics in Jena.
Created by Dmitry A. Semenov, July 2001