Gorgeous Natural Diamantina Quartz Crystal Skull with HUGE Rainbow FormationsSpectacular AAA Diamantina Crystal Quartz Skull, with World Class Rainbows From time to time Nature provides us with a Diamantina Quartz Crystal that is phenomenal, and this is the case for this specimen. Romeu, one of the best crystal sculptors in Brazil, enhanced the natural qualities of the Diamantina Quartz in a way that only trained eyes are capable of doing. The position of the natural rainbows was carefully chosen, in a way that the whole