Indigo.

He produces a psychical abilities, cleaning minds, free of fears,anxiety,hearing inside voice, and getting a right decide, forming intuition, as with indigo a faster and easy moving on the thin level senses, and he helping in negative psychic conditions are paranoia, hysteria, fanaticism, as organ with associating indigo are hypophis, third eye, as help in deafness,cataract, bleedings, insomnia, angina,rheumatism, anaesthetic, stimulating thyroid gland, good for muscle tone, spleen, as healing appendix, asthma, bronchitis, cataract, convulsion, depression, deafness with  orange, ears, eyes, nose, throat, paralysis, pneumonia's, smell, senna fever, mental bad, lungs.
Avoiding in in season depression, as care use a colour, as affecting on endocrine system, as hormones producing.
Chakra influences are on third eye.
Indigo stones are copper lapis lazuli, fluorite, labradorite, lazurite, Sapphire, sodalite, blue tourmaline.