The belt contains

http://en.wikipedia.org/wiki/16_Psyche

That is almost certainly iron-nickel composition and the only one that I knew was guaranteed minerals.

Many of the closer targets you bring up are probably silcon etc although space objects is not my specialty, so if you know of a closer mineral body I would accept your view.

So my bend on the belt may be simple bias based on my limited knowledge ... it happens :-)

Last edited by Orac; 08/14/12 03:49 PM.
I believe in "Evil, Bad, Ungodly fantasy science and maths", so I am undoubtedly wrong to you.