Turning Tequila into Diamonds

“From the ‘too good to be true’ files: A team of Mexican scientists have found a way to turn everyone’s favorite liquor into everyone’s favorite precious stone. Tequila may be just another drink to those out on the town, but to a team of scientists in Mexico their country’s native alcohol turned out to be a gem; a diamond, to be precise. Javier Morales, Luis Apátiga, and Victor Castaño at the National Autonomous University of Mexico made the alchemist-worthy discovery while experimenting turning various organic solutions, such as acetone and ethanol, into diamonds. The scientists noted that 80-proof tequila (40 percent alcohol) had the ideal proportion of ethanol to water to create diamond films. In order to make the diamonds, they evaporated the tequila into a vapor and then heated the vapor above 1400 degrees Fahrenheit before depositing it on silicon or stainless steel trays. The resulting diamond films were between 100 to 400 nm in diameter and free of impurities.

Hard and heat resistant, the diamond films could have several commercial applications, such as for cutting tools and optical electronic devices. At the moment, the team is looking into creating diamonds with impurities for potential use as a new kind of semiconductor. The scientists have bigger plans in sight, too: They intend to turn their work into an industrial-scale venture by 2011 and hope to find a tequila distiller to provide them with the supplies” (Popsci article by Jaya Jiwatram). A brief paper on the process, written by the scientists who developed it, can be found here.

Editor’s note: Dylan Parenti, our IT Director and a tequila connoisseur, considers the aforementioned process to be a criminal waste of tequila (even cheap tequila). But then, he considers diamonds to be criminal as well, with good reason.


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Tequilas of various styles. In 2009, Mexican scientists discovered a method to produce tiny, nanometric sized synthetic diamonds from 80-proof (40% alcohol) tequila, which has the optimal range of water to ethanol for producing synthetic diamonds. This process involves heating the tequila to over 800 degrees C (1,400 degrees F) to break its molecular structure and be vaporized into gaseous hydrogen, carbon, and various simple molecules. The carbon molecules are then settled upon steel or silicon trays to form a thin and pure uniform layer. Extremely cheap to produce and far too small for jewels, the results are hoped to have numerous commercial and industrial applications, such as in computer chips or cutting instruments (Wikipedia: Tequila)