ashtonite

例句：

1. 1. The ancient city of Ashton is located in the heart of England.
   阿什顿古城位于英格兰中心。
2. 2. Ashtonite is a rare mineral that can be found in small quantities in some areas.
   阿什顿石是一种稀有矿物，在一些地区可以少量发现。
3. 3. The ashtonite mine was once a major source of wealth for the region.
   阿什顿矿曾经是该地区的主要财富来源。