Quartz crystal promotes connection with our own light and joy, and is often used for meditation, as it is an activator.
It helps to energize and cleanse the energy of the space and also of the objects placed on it.
That's why when you wear a hat with natural quartz you are wearing protection.
These stones are considered as: Energy stones: because they repel bad energies and attract good vibrations. Protective stones: because quartz drives away bad energies, and is a protective mineral for those who wear it due to its energetic properties.