The function is creativity and expression and the symbol is a chalice. The endocrine influence is on the thyroid gland. Associated with the element of air and the signs of Scorpio and Sagittarius and the planet is Mercury. All blue gemstones are related to this chakra. Essential oils are sandalwood and lavender.
Quality is religious inspiration.
The color is indigo. This chakra is located at the middle of the forehead. Issues are related to intuition. Sense is clairvoyance. Disharmony of this chakra manifests as schizophrenia, disorders of the sinus, ears and eyes, insomnia, egotistical behavior, arrogance, totalitarianism, authoritativeness, obsessions, headaches, Emotions associated with this chakra include obsession and ecstasy.