1、Vivianite is a mineral that is commonly found in sedimentary rocks.
碧磷铁矿是一种常见于沉积岩中的矿物。
2、The deep blue color of vivianite makes it a popular choice among gemstone collectors.
碧磷铁矿深蓝色的颜色使其成为宝石收藏者的热门选择。