Clear Quartz – This is the mother of all crystals, called the Master Healer. Quartz has the ability to clear all chakras, clear the mind and bring light into ones energy field. It can be programmed with an intention and works especially well for healing. It brings light and goodness on all levels, and keeps the wearer protected from negativity. It is one of the most popular crystals for anyone interested in crystal healing. It is also known for helping to stimulate the immune system.