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 standard size denoted by California King, also known as Western King, is 4 inches longer than King size, but the width is 4 inches less. The surface area of King is more than that of California King. The overall dimension of California King is 72 inches in width and 84 inches in length.