Beautiful 6 mm Fluorite beads, as well as 6 mm lava beads. Use your favorite aromatherapy oils on the lava beads. Bracelets are made using stretch cord and are available in 7", 7.5", and 8". Because these are handmade, there may be slight variations in bead color. Fluorite is said to be especially great for students as it clears focus in your environment, allowing one to concentrate. It is a peaceful stone.