Chakras: crown and third eye
Physiology: all organs and systems of the body. Quartz is an energy amplifier and purifier. Master healer of crystals, clear quartz can be used in all conditions requiring purification or healing. It has the ability to clear up muddled thoughts by calming an overactive mind and refocusing energies. Very useful for ADHD, concentration problem or any other problem related to thinking in general. Allows you to filter out distractions which will aid in meditation and visualization. Open the third eye while remaining in harmony with the soul.
Stimulates the immune system, helps balance the body and harmonizes the chakras.