pyrope

例句：

1. 1. The pyramids are made of alabaster, which is a type of sapphire.
   金字塔是用大理石制成的，大理石是一种蓝宝石。
2. 2. She wore a necklace with a pyrope gem in it.
   她戴着一串项链，上面镶嵌着一颗蓝宝石。
3. 3. The pyrope gem was set into the center of the ring.
   那颗蓝宝石被镶嵌在戒指的中心。