Erbium
From Tardis Wiki, the free Doctor Who reference
Erbium was a rare Earth element. The Tenth Doctor described it as an expressive secondary component to xenotime. (PROSE: The Bog Warrior)
Erbium was a rare Earth element. The Tenth Doctor described it as an expressive secondary component to xenotime. (PROSE: The Bog Warrior)
This page was last edited on 4 November 2015, at 09:19 (UTC).Last edited: 09:19, 4 November 2015 (UTC)