Clear Quartz also known as Crystal Quartz or Rock Crystal is a natural form of silicon dioxide and is a 10th Anniversary gemstone.
 
Known as the "master healer", Clear Quartz is the most powerful healing and end energy amplifying stone on the planet. It will amplify energy and thought, as well as the effect of other crystals.  It absorbs, stores, releases and regulates energy.  It channels and unblocks energies. Clear Quartz draws off negative energy of all kinds, neutralising background radiation, including electromagnetic smog or petrochemical emanations.  It balances and revitalises the physical, mental, emotional and spiritual planes. 
 
The most powerful healing and energy amplifying stone on the Planet. Channels and unblocks energies and heals all ailments.