I know it isn't exactly the effect you're looking for, but the Ancient Romans burned marble and limestone all the time to create lime for cement. http://www.historyforkids.org/learn/architecture/concrete.htm
There's also some nasty stuff that happens to it at super high temperatures. http://www.slate.com/articles/news_and_politics/explainer/2007/08/are_ancient_ruins_flammable.html
(no subject)
Date: 2012-04-24 03:20 pm (UTC)http://www.historyforkids.org/learn/architecture/concrete.htm
There's also some nasty stuff that happens to it at super high temperatures.
http://www.slate.com/articles/news_and_politics/explainer/2007/08/are_ancient_ruins_flammable.html