Coal isn't graphite though. And you're talking about burning, not storage. Coal produces lots of dust and debris. I'm sure diamond would produce some dust at v

Coal isn't graphite though. And you're talking about burning, not storage. Coal produces lots of dust and debris. I'm sure diamond would produce some dust at volumes. https://www.quora.com/What-is-the-difference-between-coal-and-graphite https://www.quora.com/What-is-the-difference-between-coal-an... Anyway, it's fantasy because I'm fairly confident we're not going to turn CO2 into mountains of diamonds in my lifetime!