Rosary is hand knotted with nylon thread to ensure durability. Crucifix is made of stainless steel as are the parts used to assemble the rosary.
 
Crystals used are black Onyx, a grounding stone that can assist in removing negative thought patterns and self-doubt & Agate. 
Agate is a protective crystal that encourages self-confidence and personal growth. Also helpful in overcoming negative emotions. Agate has a calming effect on the mind essentially making it easier to relax.
 
6mm Black Onyx Stones
8mm Agate Druzy Stones