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
The Aztec economy was build on trade, it was an everyday part of life for an Aztec citizen. Currencies even existed in the Aztec civilization, like cocoa beans or even cotton, or the standardised cotton lengths known as Quachtli.