Of good worth to note is usually that pure beryl is colorless. It enjoys its brightness hues from froths in the rock. Vanadium and chromium give beryl a environmentally friendly coloration that ends in an emerald. Iron provides a yellow or blue tint So building golden and aquamarine beryl. https://westasiangemstones60257.laowaiblog.com/4988550/the-definitive-guide-to-gemstone-chart