Seemingly, the diffusion coefficient is sensitive to impurities or structural concerns in the crystal, but That continues to be to be quantified. For our rough estimates of enough time at temperature needed to take away the hydrogen from our samples, the hydrogen diffusion coefficient picked out is given by Belonoshko https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share