Here's a good link to just about everything you wanted to know about salt but was afraid to ask!   <img src="http://www.traveltalkonline.com/forums/images/graemlins/Wink.gif" alt="" />  Down the very bottom of the page the explainations get a little clearer!  Hope this helps, it sure helped me. <img src="http://www.traveltalkonline.com/forums/images/graemlins/Thumbsup.gif" alt="" />
http://www.gourmetsleuth.com/Articles/Exotic-Herbs-Spices-and-Salts-639/culinary-salt-guide.aspx <img src="http://www.traveltalkonline.com/forums/images/graemlins/handshake.gif" alt="" />  Contessa