Fyrite

例句：

1. 1. The mineralFyrite is often used in jewelrymaking.
   矿物氟石常用于珠宝制作。
2. 2. Fyrite is a rare and valuable mineral.
   氟石是一种稀有且有价值的矿物。
3. 3. The Fyrite deposits are located in thesouthern part of the country.
   氟石矿床位于该国南部。