kroykonite

例句：

1. 1. The 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 kroykonite has been used in ancient civilizations for its healing properties.
   这种矿物在古代文明中被用于其治疗属性。
3. 3. The discovery of kroykonite could revolutionize the field of medicine.
   发现kroykonite可能会革新医学领域。