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 19 April 2017, at 23:35 (UTC).Last edited: 23:35, 19 April 2017 (UTC)