Clear Quartz is the most versatile and universal crystal. It is a master healer and can help with almost any emotional or spiritual issue. Clear Quartz helps to cleanse and clear your mind and any negative energy or emotion you might be experiencing. It can be used to help amplify the energy of other stones, and is easily programmable. 
Clear Quartz cleanses, resonates with, and activates all of the Chakras. It is thought to help balance you, and enhances energy flow. Clear Quartz can be used to purify and cleanse spiritually, mentally, and physically. Because of its purifying energy, Clear Quartz is an extremely protective stone.
Sondra infuses each pendulum necklace with the following:
💫Archangel Violet Flame Protective Energy (the second you begin using it, an Archangel comes to your side)
   
The pendulum will never need charged, as the blessings on it put it in the range of the highest vibrational crystals.