allalinite

例句：

1. 1. The allalinite rock formation is a unique geological wonder.
   这种岩石的形成是一种独特的地质奇观。
2. 2. The allalinite deposits are believed to have formed over millions of years.
   这些沉积物被认为是在数百万年中形成的。
3. 3. The allalinite formation is characterized by its distinctive colors and textures.
   这种岩石的形成特点是其独特的颜色和纹理。