Dichroism
the property by which a crystallized body assumes two or more colors, according to the direction by which light is transmitted through it. , ladium , etc. Dick te, mica, muriate of pal- Dichroism depends upon the absorption of some of the colored rays of the polarized light in its passage through absorption varying with the different relative positions of the planes of primitive polarization of these rays to the axis of double refraction of the crystals, so that the two pencils formed by double ently colored. formed by double refraction are differ- DICHROITE. See CORDIERITE.