micropegmatite

例句：

1. 1. The micropegmatite in the mine is a rare mineral that can be used for industrial purposes.
   矿中的微粒岩是一种稀有矿物，可用于工业用途。
2. 2. The micropegmatite has been found to have unique properties that make it suitable for use in certain applications.
   微粒岩已被发现具有独特的性质，使其在某些应用中非常适合使用。
3. 3. The micropegmatite was mined from deep within the earth's crust, revealing its potential as a valuable resource.
   微粒岩从地球地壳深处开采出来，揭示了其作为宝贵资源的潜在价值。