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And meteorite, meteorite diamond. And by using high temperatures and pressures, scientists have made first meteorite ultra-hard diamond, long as a light, or actually it's a hexagonal diamond. And this could have implications in an industry requiring abrasives and cutting instruments. And this was written up in the Journal of Nature on July 30th of this year. And it stands right now on the Mohler scale of Pardness, diamond, that's right at the very top. The scale is from softest to hardest, palatine, calcite, fluoride, apatite, celspar, quartz, topaz, corundum, and then diamond. So there might be room for a 11th in there, it might be just along the length at some point. Typically, diamonds are the world's hardest naturally occurring substance, where each atom of carbon presents as a repeating molecular structure that forms four equal length bonds to each carbon atom. And each of those are about 109.5 degree angle that produces a beautiful array of tetrahedral kind of structure, just dropping.