epidote amphibolite facies

例句：

1. 1. The mineral epidote is used in the production of soda ash.
   矿物绿泥石用于生产苏打灰。
2. 2. Epidote is a common mineral found in many soils and rocks.
   绿泥石是一种常见的矿物，存在于许多土壤和岩石中。
3. 3. In some areas, epidote is mined for its unique properties.
   在某些地区，人们开采绿泥石是为了利用其独特的性质。