You have to know the type of gem that you are purchasing. You've got three options as far as the type of gem: natural, imitation and synthetic. While natural and synthetic stones are purpose is to see deal, imitation stones are prepared to look love a real gemstone, but may be anything from colored glass to nasty. Natural comes from the ground, while synthetic ones are created in a lab. Jewels within a Jar - Using a major Spaghetti jar with a cork top, I was able to put some small ...