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 28 November 2024, at 16:45 (UTC).Last edited: 16:45, 28 November 2024 (UTC)