Shades of blue with hints of cyan and green.
Legendary gift to mermaids, said to protect sailors at sea.
Use in jewelry:
Versatile and popular. Available in many cuts, this gemstone works equally well in classic and modern designs.
7.5 to 8 (1 softest to 10 hardest)
Often heat-treated to bring out the blue hue over the green. All treatments must be disclosed.
Clean with warm water and mild soap. Usually stable in steam or ultrasonic cleaning.