The Project Gutenberg EBook of The Chemistry, Properties and Tests of Precious Stones, by John Mastin This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at Title: The Chemistry, Properties and Tests of Precious Stones Author: John Mastin Release Date: November 26, 2007