这枚戒指上镶嵌的碧玺在阳光下闪烁着美丽的绿色光芒。

The ___tourmaline in this ring sparkles with beautiful green hues in sunlight.

这条项链上的绿色碧玺在阳光下闪闪发光。

The green ___tourmaline on this necklace sparkles in the sunlight.