This dainty bracelet features blue Chalcedony & lava rock beads. It measures 7" around & is stretchy. The lava rocks in this bracelet make this great for diffuser jewelry. Place a few drops of your preferred essential oil on the lava beads & you will enjoy the scent of the diffused oil wherever you go for a couple of days then reapply. You also have the choice of a pre-applied essential oil drop (or not) for free! Chalcedony properties: -connects with the Throat & Third Eye chakras -brings harmony & peace -great for meditation as it is very calming -promotes new ideas, expression, reflection, goodwill, & unity.