"Ignoramus32374" wrote in message
...
On Fri, 20 May 2005 17:33:25 GMT, Gunner
wrote:
He takes a chunk of rock, sorta kinda knocks the corners off with a
saw, and then turns them into highly polished spheres using a wierd
looking but really neat grinding arraingment of motorized cups and
grinding media.

Like these

http://www.therockshed.com/spheres.html

That's most interesting. I would like to learn a bit more about that
process...

i

using one of these http://www.covington-engineering.com...e_machines.htm

regards,
charlie
http://glassartists.org/chaniarts