Natural smoky quartz with mixed stones and mixed agate, 15-17inch, 8mm
 
"Smoky quartz is prized for its perceived ability to ward off stress while promoting tolerance and resolve in difficult situations. It is thought to be a protective stone, with a strong association with the earth and base chakras, making it ideal for environmental consciousness.
 
Mixed agate: Agate enhances mental function, improves concentration, enhances perception and analytical abilities"