fluorspar powder

例句：

1. 1.The fluorescent lamps are made from this special type of powder.
   荧光灯是由这种特殊的粉末制成的。
2. 2. The fluorosilicate powder is used in the production of glass.
   氟硅酸盐粉末用于玻璃生产。
3. 3.The fluorosilicate powder was found to have a unique property that could be useful in various applications.
   这种氟硅酸盐粉末被发现具有独特的性质，可以在各种应用中发挥作用。