Quartz is a Master Stone, it is known as the 'Universal Crystal' for the various uses, purposes. Can be used when Manifesting, Meditiating, Healing, Protection, Channeling & So much more. Quartz can be used to enhance your spiritual growth as it clarifies thoughts & emotions, helping to focus and balance the crown when on a learning journey. Great for studying. 
asper is also thought to provide mental clarity and focus to its wearer. The uplifting stone may help to increase organization and decrease stress. Jaspers in general have been viewed as symbolizing the variety that is the Earth, and all the balance and grounding that implies.