This aquamarine beryl crystal is from the Thanh Hoa Province, Vietnam. This area is known to contain ten different minerals including two types of beryl. Aquamarine is the blue gem variety of beryl and it contains the elements Be, Al, Si and O. Different colors of beryl such as heliodor and aquamarine are produced when there are trace elements in the crystal lattice.This is a transparent crystal with a modified pinacoid termination that has a flat top. The crystal habit is hexagonal and well defined. It has a and glass luster. It measures 24 x 4 x 3 mm.