Seemingly, the diffusion coefficient is sensitive to impurities or structural issues in the crystal, but That continues to be being quantified. For our tough estimates of enough time at temperature needed to get rid of the hydrogen from our samples, the hydrogen diffusion coefficient chosen is that supplied by Belonoshko https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share