fergusonite 的定义
- a rare-earth mineral, yttrium columbate and tantalate, found in pegmatites.
更多fergusonite例句
- The rare earth metals are found in the minerals gadolinite, samarskite, fergusonite, euxenite and cerite.
- It is found in the minerals gadolinite, cerite, samarskite and fergusonite, and is usually obtained from cerite.