| It is found with other rare earth elements in minerals such as monazite, cerite, gadolinite, xenotime, and euxenite. |
| It is found in the minerals gadolinite, cerite, samarskite and fergusonite, and is usually obtained from cerite. |
| Over nearly a century, chemists continued to analyze cerite, eventually discovering a total of seven new elements in it. |
| Like other rare earth metals, it is found in minerals such as cerite, gadolinite, and samarskite. |
| The rare earth metals are found in the minerals gadolinite, samarskite, fergusonite, euxenite and cerite. |
