I vote for Erbium

Regards
Matthias

On 14 Mar 2014 at 9:29, David D. Hillman wrote:

> Hi folks - Here is the Element Quiz Question:
> 
> The Question:
> This element is one of the REEs. You refine one million pounds of the
> Earth's crust to yield 2.5 pounds of this element. It is alloyed with
> vanadium to form spring steel. It is magnetic at very low
> temperatures. What element is being described?
> 
> 
> The winner of the weekly element quiz will get the services of Clumpy
> and Kloumpios for the week. 

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