The seven chakras correspond to the energy centers throughout the body - from the root of the spine to the crown of the head.
More about the seven chakras:
Root chakra - resting at the base of the spine, the root chakra is related to survival, security, and is associated with the element earth. Stone: red jasper
Sacral chakra - resting in the lower abdomen, this chakra is related to sensuality, sexuality, desire for pleasure, and is associated with the element water. Stone: honey calcite
Solar plexus chakra - resting below the chest, this chakra is related to personal power, self-esteem, and responsibility, and is associated with the element fire. Stone: tiger's eye
Heart chakra - resting in the heart center, this chakra is related to love, self-love, and relationships of all kinds, and is associated with the element air. Stone: green aventurine
Throat chakra - resting in the throat, this chakra is related to speech, communication, and truth. Stone: blue aquamarine
Third eye chakra - resting in the center of the forehead, this chakra is related to insight, intuition, awareness, and guidance. Stone: lapis lazuli
Crown chakra - resting at the top of the head, this chakra is related to union, bliss, higher consciousness, and divine connection. Stone: amethyst
