impsonite

例句：

1. 1. The mineral is used in construction for its hardness and durability.
   这种矿物因其硬度和耐用性而被用于建筑。
2. 2. The imponite mine was discovered near the city of Paris.
   这个硬石膏矿是在巴黎附近的城市被发现的。
3. 3. The gypsum has been used as a building material for thousands of years.
   石膏作为一种建筑材料已经使用了数千年。