I've just done this short post on understanding the different types of lime and some of their uses on the Paleotechnics blog. I'm cross posting as I though that it would be of interest to some Turkeysong readers, so hop on over and take a look.
http://paleotechnics.wordpress.com/2013/03/04/understanding-lime-an-introduction-to-forms-of-lime-and-where-they-come-from/
