Quartz

Master Crystal - Clears negative energy - Creativity and Concentration 

We can truly say that Quartz is the master of all crystals. It not only has the ability to amplify the energies of other crystals around it but it also helps to assist in protecting you and your home from negative energies by transforming them into positive ones. Quartz is all great for enhancing spiritual growth and wisdom. It can be used to increase inspiration and creativity while also helping with concentration, studying, and retaining what one learns.