Aquamarine Gemstone Aquamarine Stone Color Chart

Lower quality aquamarine gemstones are heated to 400 450 degree c to change the color to desired permanent aquamarine blue.

Aquamarine gemstone aquamarine stone color chart.

It can be blue very slightly greenish blue greenish blue very strongly greenish blue or green blue. The gem s most valuable color is a dark blue to slightly greenish blue with moderately strong intensity. The value of aquamarine gemstones is very much determined by their aesthetics. The most famous aqua blue gemstone is aquamarine.

Aquamarine gemstone is the green blue to blue variety of the mineral beryl. In general the purer and more intense the blue color the more valuable the stone. Color can be enhanced by radiation but these changes do not last for instance the deep blue color of maxixe a rare variety of deep blue aquamarine is believed to be derived from. A very important part of the value of color in aquamarine as it is with most gemstones is the evenness of the color a consistent color throughout the crystal with no visible color zoning.

Color is probably one of the more important determinants of aquamarine value. As with most gemstones the 4c s of cut color carat and clarity all come into play when pricing this gemstone. Aquamarine grading chart aquamarine colour aquamarine stone alphabet crystal system color scale family tattoos blue zircon birthstone jewelry gems and minerals. It is a gemstone that has a long history and it has been used as a special amulet from ancient times.

Smaller sized aquamarines less than 5mm aquamarines typically have a lighter shade as their size limits their ability to showcase a deep blue color. Its price per carat remains relatively constant. It is famous as a gemstone that can improve the luck flow. The high quality ones are valuable and very expensive.

What is the best color for aquamarine gemstones. Even though some buyers may prefer aquamarine gems that have a light green shimmer in them the most valuable stone is the pure clear blue aquamarine gemstone. Color aquamarine s color range is very narrow. The santa maria aquamarine is a uniquely saturated blue gemstone originally mined in santa maria de itabira in brazil.

It is known to be large in size well formed making it particularly valuable. It has all the elements a beautiful color high hardness and high transparency. Aquamarine grading chart august 2020. Aquamarine named for the latin phrase water of the sea is the blue to blue green variety beryl beryl also contains other gem varieties including emerald and some lesser known varieties such as morganite and heliodor aquamarine ranges in color from a faint light blue to blue and bluish green with lighter colored stones being the more common type.