绿帘石

例句：

1. 1. Theancient city of Greenstone is located inthe heart of the mountains.
   古老的绿石城位于山中。
2. 2. The greenstone mineis a popular tourist destination.
   绿石矿是一个受欢迎的旅游景点。
3. 3. The greenstone was discoveredby accident during a geological survey.
   绿石是在一次地质调查中偶然发现的。