Granit amp stands are they killing my sound?

Have you tried putting your Galibier up on spikes or
cones on top of the aluminum sheets?

Well, that is the difference between High End and Science. When I go into a Lab
and tell a technician he should use cones below his equipment, he will throw
me out in..well..let's say...30s.
Maximum.
In High End the result is the other way..Cones??? Great idea!!!! They have
different sound? Super! There are cheap ones and expensive ones out there?
GREAT! A piece of paper below them can make all the difference??? WOW, I have
to buy that paper.... Made in a cave in Mongolia for 1250,--$ / square foot?
Deal!
... and so on

I have a VPI Superscoutmaster/rim drive. I found that rubber or anything compliant under the table (as in footers) makes the sound "rubbery". I use Bearpaws...(Vermontaudio.com). They are very heavy brass cones and they really clean up the sound from the VPI supplied minifeet.

It would seem possible that granite may not jive with all amps. I would try directly on the floor vs. on the stands. For about a year I had my monos directly on the floor with the intention of some kind of stands. As you all know for anything nice well there's another $300+ each. So I ended up using 3" thick butcher blocks. I can't say it altered the sound in anyway, besides that was'nt the goal. They look fine to me and were on the cheaper side. Anytime I want to play with placement they easily allow for sliding of the amps. I suppose if using some spikes under the amps into the butcher blocks it would help drain any vibrations.

I never suggested that the Granite slab would resonate and ring like a bell. What I meant was because it is a hard polished like glass it may reflect/feedback and cause other objects to resonate. I don't know if this is universal, but it seems quite plausable. Mirror like surfaces are best avoided in audio land, that's all.