Ophelia wrote:

> "Joseph Michael Bay" > wrote in message
> ...
>
> no matter how much yttrium it has.
>
>>(That's a made up example, by the way. I'm pretty sure nobody
>>needs yttrium in their diet. I just like saying "yttrium").
>
> LOL.. so .. what is it?

Yttrium is a major ingredient in yttrofluorite.
I collected some of that in Colorado back in 1961.

Charles "purveyor of useless information for 65 years"