The slight colour it does have is due to Rayleigh scattering of the shorter wavelengths of obvious mild from the nano-sized dendritic composition. This brings about it to appear smoky blue versus darkish backgrounds and yellowish against shiny backgrounds. Take note: We source different measurement ranges of Nano and micron https://felixsrokg.bleepblogs.com/34109571/not-known-factual-statements-about-nanodiamond-powder