These are absolutely gorgeous. These 2A+ grade Aquamarine rounds are 10mm in size, and highly polished . Transparent to translucent, the shades of blue and green are oh so yummy. Please notice that there is a group photo that shows the various color difference from bead to bead and strand to strand. Aquamarine gemstone beads are said to bring courage and fortitude to the wearer. Aquamarine stones will assist with quick intellectual responses and they give peace, and shielding, for the aura.