Yellow Sapphire from Ceylon are regarded as best astrological Pukhraj and are typically devoid of virtually any treatment and heating. What on earth is most unconventional is the fact that this primary demand transfer band of Ni3+ peaks is at four hundred nm, providing substantial absorption from 400 to 480 https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share