porphyre

例句：

1. 1. The mineral porphyre is used in the production of glass and ceramics.
   紫金云母用于玻璃和陶瓷的生产。
2. 2.The porphyre deposit is one of the largest in the world.
   紫金云母矿是世界上最大的之一。
3. 3. The porphyre stone has been used as a decorative material for thousands of years.
   紫金云母石被用作装饰材料已有数千年历史。