Thin films of diamond were produced by heating 80%-proof tequila blanco in a pressure vessel.
A team of Mexican scientists found that the heated vapor from 80-proof (40% alcohol) tequila blanco, when deposited on a silicon or stainless steel substrate, can form diamond films.
Either of two South American trees, Aspidosperma quebracho - blanco whose bark is used in medicine, or Schinopsis lorentzii whose wood is one of the richest sources of tannin.