Diamond is an allotrope of carbon with carbon atoms arranged in a variety of face-centered cubic crystal structure, called a diamond lattice. Jade Rings Diamond is less stable than graphite, but the rate of conversion of diamond to graphite is negligible in the environment. Diamond is known as a material with superlative physical qualities, most of which comes from the strong covalent bonding between its atoms. In particular, diamond has the highest hardness and thermal conductivity of bulk materials. Jade Bangle These properties determine the major industrial use of diamond grinding and polishing. Jade Necklaces

Diamonds are precious as gems since their use as religious icons in ancient India. Use in engraving tools also dates to the popularity of early human history. Jade Jewelry The diamonds has risen since the 19th century, due to increased supply, improved techniques of cutting and polishing, growth the global economy, and innovative and successful advertising campaigns.