richellite

例句：

1. 1. The richellite from the mine is a rare gemstone.
   矿里的富丽石是一种罕见的宝石。
2. 2.The richellite was discovered in the region's oldest layer of sediment.
   富丽石是在该地区最古老的沉积层中发现的。
3. 3. The richellite has been used in jewelry for centuries due to its durability and beauty.
   由于其耐用性和美丽，富丽石被用于珠宝制作已有几个世纪了。