These are calibrated diamond cut Aquamarine gemstone beads, also known as micro cuts. The many facets gives these Aquamarine gemstones maximum sparkle. These micro cut, Aquamarine beads measure 4mm. Not all beads are the same shade of blue, on each strand you will find several shades of Aquamarine blue. Aquamarine gemstone beads are said to bring courage and fortitude to the wearer. Aquamarine stones will assist you with quick intellectual responses and they can give peace, and shielding, for the aura. Surely, you could use some of these Aquamarine beauties in your stash.