Overall Dimension (including bail): 0.75 x 0.6 x 0.25 inches
Inner Bail Diameter: 4 mm
Weight: 3.4 grams
Serial Number: p30144
Aquamarine, along with emerald, is a gemstone variety of the silicate mineral beryl. Its name meaning "sea water," aquamarine ranges in color from a sea-green to a sky-blue and generally forms large, somewhat clear crystals. In ancient times, aquamarine jewelry was thought to protect sailors.