Bead, aquamarine (heated), 6x4mm-12x7mm graduated hand-cut top-drilled faceted briolette, B grade, Mohs hardness 7-1/2 to 8. Sold per 4-inch strand, approximately 11 beads. - Fire Mountain Gems and Beads
Amazon.com: ABCGEMS Brazilian Aquamarine Beads (Revolutionary Diamond-Cut Brings a High-End Look to a Traditional Faceted) Healing Chakra Energy Crystal Stone Micro-Faceted Rondelle 8mm