Quartz

Its name in Greek is krystallos, which means ice, giving rise to the word crystal. In ancient times, until the 17th century, it was considered a magical gemstone, as it was believed to be ice that never melted.

Quartz are used to strengthen energy and to give psychic and emotional balance, being one of the best allies in meditation and positive thoughts.
They also enhance our magnetic field, providing inner strength and security.
Balances and harmonizes the aura of the body.