the home possessed by some crystals of exhibiting different colors, particularly three different colors, whenever seen along different axes.
The optical trend in some coloured, clear crystals (such as tourmaline) where the shade varies in numerous guidelines.
the home possessed by some crystals, of showing different colors when seen in direction of different axes.
In crystallography, the variation in color noticed in some crystals whenever seen in different guidelines, due to the fact that the rays having vibrations in different airplanes endure absorption in numerous levels.
the trend various colors appearing when certain crystals tend to be viewed from different instructions