Tiger eye:

Tiger eye is a variety of quartz known for its golden to brown color, which is marked by light and dark bands. In chakra healing, the tiger eye is often associated with the solar plexus chakra located in the upper abdomen. The solar plexus chakra is associated with personal power, self-esteem, and self-confidence. Therefore, it is believed that the tiger eye can help balance and energize the solar plexus chakra, promoting personal strength and self-confidence.