Quartz:  attracts life force from within and brings it to the physical world;  nourishes and balances mind, body and emotions and corrects colour ray imbalances
Tourmaline:  black tourmaline protects against cell phone electromagnetic smog, radiation, psychic attack and negative energies of all kinds; grounds to the root chakra; promotes objective thinking with clear, rational thought
Pearl:   purity and honesty; innocence; tranquillity; focus and meditation; integrity; wisdom