There is a crystal structure relationship for circular birefringence which can tell you if a crystal structure will have circular birefringence and its handedness (left,right) (e.g. "On the origin of optical activity in crystal structures" J. Appl. Cryst. 1986. 19, 108-122, A. M. Glazer and K. Stadnicka) and even a crystal structure computational formalism (e.g. Theory and computation of optical rotatory power in inorganic crystals Acta Cryst. 1986. A42, 560-569 V. Devarajan and A. M. Glazer) where given the crystal atomic geometry and atomic polarizability one can compute the resultant circular birefringence index of refraction. These papers relate/give the physical property specifics that can be related to the produce the photon behavior (a physical cause and effect relationship). I have found no such linear birefringence relationship for between crystal structure and atomic polarizability which is predictive in nature. Question ---- Does a one exist?