22 x 16mm average. These are fabulously faceted Golden Dendritic Quartz beads. These natural golden quartz 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 from a frosty clear to shades of gold and brown. These golden quartz beads average 8mm in thickness. These beauties have been strung with a small bead in between to prevent chipping. Dendritic is a term used to refer to the moss inclusions in the stones that look like small trees. Quartz beads are said to be a powerful amplifier of thoughts for the wearer, and to protect them from the ill thoughts of others.