These crystals link with your 3rd eye & throat chakras, making them excellent choices for using when developing your psychic abilities as well for inspring creativity. Another cooling stone, they work well for those who suffer from arthritis and other inflammatory diseases. They help your brain with rational thinking and can increase your problem solving abilities when worn on a regular basis. They are a good stone to hold onto during meditations, helping your deepen your inner awareness. Comes with information card.