natural turquoise with mixed stone & mixed agate beads 8mm, 15-17inch
 
"blue howlite-  howlite is often believed to be an excellent stone for meditation, and has been used by practitioners to focus the mind. The grey spidery veins are thought to be like intrusive thoughts, to be acknowledged and then passed by.
 
Agate enhances mental function, improves concentration, enhances perception and analytical abilities"