Evidently, the diffusion coefficient is delicate to impurities or structural challenges during the crystal, but That continues to be being quantified. For our rough estimates of enough time at temperature needed to clear away the hydrogen from our samples, the hydrogen diffusion coefficient preferred is specified by Belonoshko et al. https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share