Another name for this material is "blue sandstone". Man-made crystal from natural materials (copper, silica & other minerals).
 
BEAD SIZE: 8 mm
 
To find your bracelet size, measure your wrist with a flexible tape measure. Then decide which size bracelet will fit you best.
 
On average, 6-6.25 extra small wrist, 6.25-6.75 small wrist, 6.75-7 medium wrist, 7-7.5 large wrist
 
Bracelets are sold individually; you will receive 1 bracelet - several shown in picture for aesthetic purposes and to show that not every bracelet looks the exact same.