I'll try carbon. 

Blair

On Fri, 24 May 2013 07:34:29 -0500, David D. Hillman <[log in to unmask]> wrote:

>Hi folks - Here is the Friday Element Quiz Question:
>
>The Question:
>This element was used by the Egyptians in glass making.  A compound of
>this element is flammable and toxic if inhaled. It is not found in its
>free metallic state on Earth. This element is expelled from the body by
>the kidneys because of the vitamin B12. The word "goblin". What is the
>element is being described?
>
>
>The winner of the weekly element quiz will get the services of Clumpy and
>Kloumpios for the week.
>
>