Erbium: Difference between revisions

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{{Elements}}
{{Elements}}
[[Category:Elements from the real world]]
[[Category:Elements from the real world]]
[[Category:Metals]]
[[Category:Metals]]

Latest revision as of 15:21, 3 September 2020

Erbium

Erbium was a rare Earth element. The Tenth Doctor described it as an expressive secondary component to xenotime. (PROSE: The Bog Warrior)