CLEARANCE 8mm Faceted Round Dark Jade Green Agate Beads - Add a bit of flash to your designs. These beautiful jade green agate beads are faceted round measuring 8mm and have an avg 49 beads / strand (5 min.) Heat-treated Agate Beads - Agate is a variety of chalcedony formed from layers of quartz. Agate is the Mystical birthstone for September, and is also the birth stone for the Zodiac sign of Gemini. Agate is the accepted gemstone for the 12th and 14th wedding anniversaries. Agate Beads are found in all colors of the rainbow. The stone is believed to help discern truth, accept circumstances, and used by gemstone healers as a powerful emotional healer. Legend says that Agate improves memory and concentration, increases stamina and encourages honesty. Many Top Designers Use Beautiful, Rich Agates in their Jewelry Designs.