Amethyst:

Amethyst alleviates dependencies and addictions. It brings temperance and balances excesses of all kinds. It thus gives the perspective to help you find the happy medium.
This stone regulates and pacifies the relationship to authority and to the hierarchy in general.

This unique stone helps to get rid of fears, heals migraines and brings calm against anger.

The virtues of amethyst are soothing and purifying. It relieves stress, calms insomnia and promotes concentration and meditation. Provides pleasant dreams and peaceful sleep.