epispharite

例句：

1. 1.The stone was covered in a layer of erupted ash, revealing the underlying erispharite.
   石头上覆盖着一层爆发的灰烬，露出了下面的石髓。
2. 2. The ancient ruins were preserved in their original erispharite state.
   古代遗迹保存在它们原始的石髓状态中。
3. 3.The erispharite formations are unique and have been studied for centuries.
   石髓形成物独特且已研究了几个世纪。