特殊光学效应
- 网络Special optical effects;optical phenomena
特殊光学效应-
碧玺是宝石世界中最重要的中档宝石，具有独特的加工性质，如解理不发育、韧性强、颜色丰富多彩、多色性强、具有星光和猫眼特殊光学效应等。
Tourmaline is one of the most important semiprecious stones in the world , with particular cutting features such as undeveloped cleavage and high tenacity , rich in color , strong pleochroism , special optical effect of asterism and cat ' eye .