Aquamarine 4mm Banded Faceted Cube - 15-16 Inch Size_12-17x16-21mm discovered a way to improve

discovered a way to improve the quality of turquoise in the 1980's

and can range from translucent to opaque

It was originally found in the Ural mountains of Russia

dark specks or veins

primarily in black

Aquamarine 4mm Banded Faceted Cube - 15-16 Inch Size_12-17x16-21mm discovered a way to improveAquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent to opaque and is commonly light blue, green and yellow with white and gray inclusions. The name is the Latin term for water of the sea. Aquamarine was once thought to be the treasure of mermaids, as well as a lucky stone for sailors.