cummingtonite

例句：

1. 1. The mineral is named after thetown of Cummington in England.
   这种矿物是以英国的小镇坎明顿命名的。
2. 2. The Cummingtonite depositsare located in the southern part of thecountry.
   坎明顿石矿位于该国南部。
3. 3. The Cummingtonite has beenused as a building material for centuries.
   坎明顿石被用作建筑材料几个世纪了。