rhyncholite

例句：

1. 1. The blue color of rhyncholite is due to its high cobalt content.
   蓝铜矿的蓝色是由于其高钴含量。
2. 2. Rhyncholite is a mineral that is often used in jewelry making.
   蓝铜矿是一种常用于珠宝制作的矿物。
3. 3. The discovery of rhyncholite in the mine has sparked excitement among geologists.
   在矿井中发现蓝铜矿，引起了地质学家们的兴奋。