pyrostilpnite

例句：

1. 1.This mineral is a rare and valuable resource.
   这种矿物是一种稀有且有价值的资源。
2. 2. The pyrostilpnite deposit has been studied extensively for its potential applications.
   这个磷灰石矿床因其潜在应用而得到了广泛的研究。
3. 3.Pyrostilpnite is a type of mineral that can be found in many different environments.
   磷灰石是一种可以在许多不同环境中找到的矿物类型。