allemontite

例句：

1. 1. The ancient city of Pompeii is famous for its allemontite buildings.
   庞贝古城以其白垩石建筑而闻名。
2. 2. The pale white color of the allemontite reflects the sunlight beautifully.
   白垩石的淡白色在阳光下反射得非常美丽。
3. 3.The allemontite was used to make beautiful sculptures in ancient times.
   古代，白垩石被用来制作精美的雕塑。