Evidently, the diffusion coefficient is delicate to impurities or structural concerns within the crystal, but That is still being quantified. For our rough estimates of some time at temperature necessary to eliminate the hydrogen from our samples, the hydrogen diffusion coefficient chosen is specified by Belonoshko et al. (2004), which https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share