fynchenite

例句：

1. 1. The fynchenite mine is a major source of fluorite in the area.
   这个萤石矿是该地区主要的氟化物来源。
2. 2. Fynchenite is used in the production of fluorescent lamps and other electronic devices.
   萤石用于生产荧光灯和其他电子设备。
3. 3.Due to its high fluorine content, fynchenite is highly sought after for industrial applications.
   由于其高氟含量，萤石矿在工业应用中非常受欢迎。