gneissosity

例句：

1. 1. The gneiss is a type of rock that is very hard and durable.
   片麻岩是一种非常坚硬和耐用的岩石。
2. 2.The gneiss was formed by the fusion of two different types of rocks.
   片麻岩是由两种不同类型的岩石融合形成的。
3. 3.The gneiss has a distinctive texture that makes it easy to distinguish from other rocks.
   片麻岩具有独特的纹理，这使得它与其他岩石容易区分。