Examples from the Web for dichroic
The emerald is dichroic, giving in the dichroscope a bluish-green and a yellowish-green image.
While the crystal as a whole shows these three colours, each face is dichroic.
The mineral is dichroic in a marked degree, and shows much “fire” when properly cut.
As beryl is doubly refracting to a small degree, and dichroic, one might perhaps be deceived by such an imitation if not careful.A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public|Frank Bertram Wade