Graphite has the same chemical composition as Diamond, which is also pure carbon, but the molecular structure of Graphite and Diamond is entirely different.
The California king size is a mattress measuring 72 inches wide by 84 inches long. In terms of length it is four inches longer than the standard king and queen size mattresses. The mattress was made by David Bergeson of California sometime in 1982.
The Eastern king is four inches wider than the California king, and the California king is four inches longer than the Eastern king mattress. The size of the Eastern king is 76 inches wide by 80 inches long and the California king is 72 inches wide by 84 inches long.