In ancient times, clear quartz crystal was believed to be ice that never melted. The Greek word for crystal, krystallos, means ice.
Quartz is a master cleaner, said to dispel negativity and clear away any negative energy. Quartz is said to dissipate electromagnetic gunk, radiation and toxic emanations.
The sphere is the ancient symbol of ineffable oneness. It represents the wholeness of being. A quartz crystal sphere represents clarity, harmony and the white fire of the atom.
Place these around your house, on the window sill to reflect the light and dispel negative energy.