Clear Quartz is a Universal stone.  Also know as Crystal Quartz or Rock Quartz as the "master healer" and will amplify energy and thought, as well as the effect of other crystals.  It is a pure and powerful energy source.  It receives activates, absorbs, stores, releases and amplifies 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. Can be used for meditations and it brings harmony to the soul.

*  10 pcs estimated 10~15gm

** from Brazil