A wonderful Picture of two Halite crystals. Halite is also known as rock salt because it is the mineral version of NaCl. It usually occurs when vast beds of sedimentary evaporate.  For more pictures of minerals go to (http://www.flickr.com/photos/31223088@N08/8476240063/in/pool-97068393@N00) and for more about Halite go to (http://en.wikipedia.org/wiki/Halite)