cosa mica

例句：

1. 1.The mineral is a rare and valuable resource.
   这种矿物是稀有且有价值的资源。
2. 2.Cosa mica is often used in jewelry making.
   云母常用于珠宝制作。
3. 3.The crystals are known for their beautiful iridescent colors.
   这些晶体以其美丽的彩虹色而闻名。