jefferisite

例句：

1. 1.The mineral jeffersonite is used in the construction of buildings and bridges.
   矿物杰弗瑞石用于建筑物和桥梁的建设。
2. 2.The discovery of this mineral has led to new research into the properties of iron silicate compounds.
   这种矿物的发现推动了对铁硅酸盐化合物性质的新研究。
3. 3.The minerals found in the area are believed to have been formed over millions of years through a process called metamorphism.
   该地区发现的矿物被认为是通过一种称为变质作用的过程在数百万年中形成的。