BERYL

Popular varieties are Emerald, Aquamarine and Morganite. Beryl is also available in pale lemon yellow to intense golden yellow known as Heliodor and also in paler green tones. It is a bright durable gem with a hardness of 7.5 – 8 with an attractive vitreous lustre. The yellow colours are a good lower cost alternative to yellow Sapphire as they are more common in larger sizes than Sapphire. Beryl is doubly refractive with an RI of 1.563 – 1.582 and specific gravity 2.68 – 2.80.