Rutilated Quartz is an illuminator for the soul, promoting spiritual growth. It cleanses and energises the aura. Draws off negative energy and disease, letting go of the past. 
Rutilated Quartz gives protection against the ill thoughts of others. 
It helps to reach the root of problems and facilitates transitions and a change of direction. Soothes dark moods and acts as an antidepressant. 
Rutilated Quartz relieves fears, phobias and anxiety. Promotes forgiveness at all levels. Spiritually, it is said to have a perfect balance of cosmic light and to be an illuminator for the soul, promoting spiritual growth. It cleanses and energizes the aura. This stone aids astral travel, scrying, and channeling as it draws off negative energy and breaks down the barriers to spiritual progress.
Rutilated quartz is associated with the solar plexus chakra, sometimes considered a link between the root and crown chakras. This offers some explanation as to why it's also believed to be a terrific stone for getting your energy moving and getting you out of a rut.

Rutilated Quartz absorbs mercury poisoning from nerves, muscles, blood and the intestinal tract. It is helpful for chronic conditions and for impotence and infertility. Aids exhaustion and lack of energy. Rutilated Quartz treats respiratory tract and bronchitis, stimulates and balances the thyroid. Rutilated quartz is said to assist with tissue regeneration and repair torn tissue, assimilation of nutrition, and slow the advancement of aging. It is also said to boost the immune system.

 

Opal amplifies traits, whether those traits are good or bad, and brings characteristics to the surface for transformation. It enhances self worth, confidence and self-esteem, and helps you to understand your full potential. It also brings lightness and spontaneity. The stone is said to help stimulate originality and dynamic creativity, encourages an interest in the arts, and aids in accessing one’s true self. Because the stone is absorbent and reflective, it helps you to pick up thoughts and feelings, amplify them, and return them to their source. It is a karmic stone- it encourages putting out positive emotions and teaches that what you put out comes back to you. The opal is also a representative of justice and harmony, and is a protective stone in dangerous places.
Opal has always been associated with love and passion, as well as desire and eroticism. It is a seductive stone that intensifies emotional states and releases inhibitions. It can also act as an emotional stabilizer. Wearing an opal is said to bring about loyalty and faithfulness.
Opals have been said to be extremely beneficial in many physical realms as well, such as in treating infections and fevers. It is also said to help strengthen the memory. Furthermore, it purifying blood and kidneys, regulates insulin, eases childbirth, and alleviates PMS. It is also beneficial to the eyes, especially as an elixir. Overall, the stone is said to be the most useful in preventing bad health. It strengthens the immune system and helps the body be resilient to infection.
Opal has also been known to help those who are suffering from chemical dependencies. The stone gives the wearer strength and the ability to take back control over their lives.

Amethyst is purple Quartz, and is a meditative and calming stone. It works in the emotional, spiritual, and physical planes to provide calm, balance, patience, and peace. Amethyst is also beneficial when dealing with legal problems and money issues, which can lead to prosperity and abundance.
Emotionally, amethyst can help heal personal losses and grief. Amethyst has a gently sedative energy that promotes peacefulness, happiness, and contentment. It also brings emotional stability and inner strength, and can enhance flexibility and cooperation. Amethyst can help get rid of addictions (alcohol, drugs, smoking, etc.) and compulsive behaviors of all kinds.
In the psychic and spiritual realms, amethyst is an excellent all-purpose stone that can increase spirituality and enhance intuition and psychic powers of all kinds. It does this by making a clear connection between the earth plane and other planes and worlds. Amethyst is also excellent for meditation and lucid dreaming. It is known to open one's channels to telepathy, past life regression, clairaudience, clairvoyance, and communication with angels. Amethyst also protects against psychic attacks, especially during spiritual work, and protects one from thieves, and protects travelers.
Physically amethyst is said by spiritual healers and mystical lore to heal the withdrawal symptoms of any sort of addiction, help with headaches, insomnia, arthritis, diabetes, pain relief, circulatory system issues, endocrine system problems, chronic fatigue, fibromyalgia, immune system deficiencies,asthma, phobias, pregnancy and preventing miscarriage, menopause, PMS, and general healing.
Amethyst is associated with the third eye and crown chakras primarily, but can also open the heart chakra.