About 94% of the six million known compounds contain carbon, far more than any other element. Carbon, in the form of diamond, is the hardest natural material on Earth. Carbon is found in a wide variety of rocks, such as chalk and limestone.
Aztec Gold unknown Gold that can turn you into a unkillable skeleton monster from the movie Pirates of the Caribbean. Elizabeth wore a piece of Aztec Gold around her neck. by Kenshin1387 March 30, 2004
In Aztec times, the common currency was of course trade and bartering. The two most common way the Aztecs bartered was through the use of cocoa beans made into chocolate and cotton, and interesting the word chocolate actually came from the Nahtul language xocolati.