noble spinel

例句：

1. 1. The noble spinel in the necklace was worth a fortune.
   项链上的那颗蓝宝石价值连城。
2. 2. The noble spinel is said to have been discovered in India.
   据说这颗蓝宝石是在印度被发现的。
3. 3.The noble spinel has become a symbol of wealth and status in many cultures.
   在许多文化中，这颗蓝宝石已成为财富和地位的象征。