Kyanite will cleanse all other crystals around - as well as yourself.
Shungite naturally has electrical conducting properties that help inhibit electromagnetic radiation. Electromagnetic fields, which contain trace amounts of radiation, are produced by all common household electronics.
Its used to detoxify the body and rid the mind of negativity, while contributing as a cleanser as well.
Shungite is a must have for people with difficult and uncontrollable emotions, as well as any form of anxiety or depression. It allows for light to fill the body and make negativity extremely difficult to form.