Amethyst has the power to mitigate both physical and moral pain (anger, anxiety, melancholy). Historically, muscle and joint injuries, such as sprains, healed faster by placing an amethyst stone inside an elastic bandage that was wrapped around the injured area.
It helps to mitigate anger, anxiety and melancholy because it helps us to go deeper into ourselves and get to know ourselves better. It clarifies dreams and allows us to transmute old habits into more noble and elevated forms of conduct . If you find that you are addicted to anything and are working hard to control the addiction, an amethyst stone crystal can help. Hold a stone, ask it to remove desire, and then draw strength from the stone. It helps you break all kinds of addictions .
Amethyst is known as the stone of peace, ideal for supporting people during meditation . It is a stone of peace and helps to bring love and happiness to all who wear it. Using an amethyst as a meditation center will expand positive spiritual feelings. Hold an amethyst stone in each hand when meditating. It is an excellent stone to improve meditations as it helps to improve visualizations. To communicate with your spirit guide or higher self, find a peaceful time and place where you won't be interrupted. He carries an amethyst stone in each hand. Take a couple of deep breaths, close your eyes, and feel the powers come from the amethyst. Let them go up your arm and into your head, where you will see them from inside your mind and they will begin to glow. Invite your guide to come forward and talk to you. This helps you get in tune with your higher self. 
Amethyst optimizes psychic abilities and induces a sense of calm. An amethyst stone is an amazing gift for anyone working as a psychic or for those displaying psychic powers, as it helps increase all forms of psychic abilities. 
Amethyst is used as protection as it radiates love energy, helps to remember dreams and amplifies its ideal vibration frequency to use in the seventh chakra at the highest point of the head. Amethyst helps to overcome fears and cravings.
It also helps relieve headaches. If you suffer from migraines, here is a crystal healing gem that is known to help. Lie down and close your eyes, put an amethyst stone on your forehead and try to relax and let the gemstone do its work. 
It reconnects you with your inner self, strengthens peace and tranquility, helps cleanse your dark parts, helps accept the truth. It is beneficial for decision making, cleaning and elimination organs, immune system, blood, headaches, swelling, skin problems, digestive tract. Beneficial for the mind as it calms or stimulates as appropriate, helping to feel more focused, absorb new ideas and connect cause and effect. It also balances emotional ups and downs.
To help breathing problems heal faster, along with any medication from the doctor, place an amethyst on the chest, between the lungs. Depending on the severity of the disease, you can stick a stone in place with a Band-Aid and sleep with it in place. 
Wear an amethyst stone around your neck or carry one in your pocket to help strengthen your bones. If you find that you have trouble sleeping at night and spend more time tossing and turning than actually sleeping, place an amethyst stone under your pillow to help with insomnia.
To expand the number of dreams you have and to help you remember your dreams when you wake up, use an elastic hair band as a headband around your forehead. Slide an amethyst stone under the band, as it is known to help cause dreams. 
You've probably heard it said, "You're your own worst enemy." Self-deception, particularly when it comes to matters of the heart, causes more heartaches and chest pains than anything humanity has ever put together. Amethyst stone crystals protect against self-deception and allow you to see things as they really are. 
Feng Shui and amethyst
Amethyst is a high vibration crystal that only emits a high frequency when its wearer(s) need it. Energizes and purifies the nervous system and relieves mental confusion; cleanses and renews all levels of consciousness; dissolves illusion, increases intuition encourages deep meditation and transformation; drives away negative influences; increases the ability to heal and experience Divine love. It causes calm to our mind and emotions, removing the noise that separates us from deep listening. 
Place a pair of amethyst stones around the room where tempers can frequently flare, such as high-stress business and occupations. Amethyst crystal clusters are used to keep the air and vitality in the home clean and favorable. Amethyst clusters, prongs, or several tumbled amethysts placed in a window that gets sun most of the day are really beneficial to use for healing and to heal negativity in the home or office. Place clusters of amethysts, prongs, or numerous tumbled amethysts in the moonlight and everyone in the house will feel less agitated.
 HALL, JUDY, The Encyclopedia of Crystals, Gaia Editions, ISBN 978-84-8445-183-9
 Gienger, M. (2015). Crystal Power, Crystal Healing: The Complete Handbook . Hachette UK.