This handmade halo has 14 dumortierite beads, 16 sparkly clear glass beads, and a quartz crystal in the center that covers approximately 9" of the 14 1/2" headband.  
The quartz measures approximately 3/4" x 1/4"
Metal wire and headband were used for this piece. 
Quartz Crystal cluster in the picture is display only.  Not for sale.