bushmanite

例句：

1. 1.The bushmanite formation is a unique geological feature in the region.
   灌木岩是一种该地区独特的地质特征。
2. 2. The minerals in the bushmanite formation are believed to have formed over millions of years.
   灌木岩中的矿物被认为是在数百万年中形成的。
3. 3. The bushmanite formation has been used for various purposes, including as a building material.
   灌木岩被用于各种用途，包括作为建筑材料。