Golden beryl gets its yellow coloring from small deposits of iron. Other forms of Beryl are Aquamarine, Morganite, Bixbite, Goshinite, and Emerald. It has a hardness of 7.5-8 on the mohs scale and a specific gravity of 2.76. This beautiful piece of golden Beryl from Brazil weighs 4.69cts measures 13x8x7mm and is eye clean