26" Apatite Blue Gemstone Necklace with Hairpipe Bone Beads, and Silver Tubes. Apatite Blue Pendent is 6 sided and 1" in diameter. Hangs 1" below necklace. Connects with Lobster Clasp. Apatite Blue is said to enhance intellect, focus, clarity of concentration and ideas. It is also said to foster unconditional love. Hairpipe Bone first used in Native American designs.