Diamond Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic.At room temperature and pressure, another solid form of carbon known as graphite is the chemically stable form, but diamond almost never converts to it Diamond has the highest hardness and thermal conductivity of any natural material, properties that are utilized in major Synthetic diamond In , an agreement was made between the General Electric GE , Norton and Carborundum companies to further develop diamond synthesis They were able to heat carbon to about , C , F under a pressure of . gigapascals , psi for a few seconds Soon thereafter, the Second World War interrupted the project It was resumed in at the Schenectady Laboratories of GE, San Quinn Rock Pressure Makes Diamonds SAN QUINN THE ROCK PRESSURE MAKES DIAMONDS ISCO STAND UP this is a great opening track, SEAN T s pulsating horn driven instrumental is amazing. How Do Diamonds Form They Don t Form From Coal Diamonds From Ocean Sediments Subduction zones occur at convergent plate boundaries where one plate is forced down into the mantle As this plate descends, it is exposed to increasing temperature and pressure. Manufactured Diamonds InDepthInfo Manufactured Diamonds Because they are the hardest substance found in nature, diamonds can be useful in many applications However, the rarity of diamonds makes it cost prohibitive to use natural diamonds. Identifying Lab Grown Diamonds Research News HPHT grown synthetic diamonds are now available in the gem and jewelry marketplace in a wide range of colors, as evident from this attractive synthetic yellow diamond jewelry . to . cts provided by Gemesis Corp and these loose synthetic diamonds each under ct from Lucent Diamonds and Chatham Created Gems. Scientist Turns Peanut Butter into Diamonds Mental Floss I ve always said peanut butter is a girl s best friend, and now there s proof While trying to mimic the extreme conditions found deep beneath the Earth s surface, a researcher turned one Why so many diamonds are making science headlines this Diamonds have been in the news quite a lot this week, and not because of any celebrity engagement news Instead, it s what s inside that counts In this case, both studies found that the Better Under Pressure How Great Leaders Bring Out the Better Under Pressure How Great Leaders Bring Out the Best in Themselves and Others Justin Menkes on FREE shipping on qualifying offers Most business leaders can take only so much pressure before their performance slides Yet some CEOs deliver their greatest successes when times get toughest when customers preferences are shifting away from a company s products Diamonds Volcano World Oregon State University Diamonds are crystalline carbon and the hardest known substance This photo shows diamonds from the Argyle Mine in northern Western Australia.