Aquamarine is a naturally occurring mineral species of Beryl that ranges in colour from Light Blue to Greenish Blue to Vivid Blue. Aquamarine gets its name from the colour spectrum that resembles sea water. The best aquamarine comes primarily from Brazil. The colour tone/saturation, transparency, and lustre of an aquamarine are used to determine its quality. Bright, vibrant blue aquamarine gemstones with a high lustre are both rare and expensive. A stone of the Water element, aquamarine has a purifying and relaxing vibe. Western astrology assigns the birthstone for March to aquamarine. The gemstone aquamarine stands for harmony, peace, and tranquilly.