多向色性当沿不同的轴线观察时，某些晶体显示出不同的色彩，尤指三种不同色彩的性质。
The property possessed by some crystals of exhibiting different colors, especially three different colors, when viewed along different axes.
多向色性当沿不同的轴线观察时，某些晶体显示出不同的色彩，尤指三种不同色彩的性质。
The property possessed by some crystals of exhibiting different colors, especially three different colors, when viewed along different axes.
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