Like the name suggests, Crystal Quartz is crystal clear.
It is unique in that it can charge other stones, and be programmed to any purpose.
This stone is able to charge all your chakras.
Hold this stone in your dominate hand, tight but don't squeeze. Close your eyes and feel its pulse. Envision whatever you'd like to imbue into the stone- protection, energy, a specific goal. When you wear it, it will remind you of your purpose.