Whoever encounters a jewel but knows not the distinguishing characteristics of gems may think it to be part of a fossilized coke bottle and throw it away. There is a famous diamond in Istanbul, perhaps one of the biggest and most valuable diamonds in the world. The story of this diamond may help illustrate my point. That diamond was originally found in a dustbin by a street sweeper. He put it in his pocket and brought it to a spoon maker he knew. The spoon maker saw that it could be valuable, so he offered the street sweeper a wooden spoon in exchange for
