The slight colour it does have is due to Rayleigh scattering from the shorter wavelengths of seen mild through the nano-sized dendritic structure. This causes it to seem smoky blue from dim backgrounds and yellowish against dazzling backgrounds. Take note: We provide various measurement ranges of Nano and micron According https://carbon-fiber-filament94714.worldblogged.com/39674714/the-ultimate-guide-to-nano-silicon-powder