21 x 15mm average. These are fabulously faceted Mookite beads. These Mookite stones have been cut and faceted to follow the natural contours of the stone. Though very similar in size and shape, the coloring of these beads varies widely. Mookite is a type of jasper, with varying shades of cream, yellow, gold, brown, red or burgundy,and other colors. This stone is mined in Western Australia as well as China. Mookite’s healing properties include relieving depression and fear as well as healing wounds and maintaining a healthy thyroid gland. These Mookite beads average 8mm in thickness. These beauties have been strung with a small bead in between to prevent chipping.