According to metaphysical sources online and elsewhere I found the following information:
Amethyst - increases vivid dreams, relieves depression, promotes calm, serenity, and spirituality. Helps with addiction and stress.
Aquamarine - improves sight, sharpens the mind, calms and clarifies emotions.
Citrine - helps digestion and aids in mental and intellectual functions. Increases self-esteem and energy. Balances and dissipates negative energy.
Clear Quartz - is the greatest of all healing stones. Acts as an amplifier for psychic energy and aids meditation and visualization
Emerald - is considered to be a stone of love and romance and thought to bring joy, enhance emotions, memory, faith and clairvoyance. It is said to benefit one’s intuition and to promote communication though truthfulness.It is the sacred stone of the goddess Venus and is associated with the heart chakra. It is thought to preserve love and is a symbol of hope as well.
Fluorite - helps to ground excessive energy, particularly mental, emotional and nervous energy. It is a powerful healer, it affects all the chakras as well as mental attitudes. It is excellent for use in cleansing the aura. Also can be used with other stones to amplify their effects.
Garnet - is considered a stone of passion and love. It is used to enhance intimacy, sensuality and sexuality. It is said to boost energy and bring positive thoughts.
Opal - known as a stone of inspiration, enhancing one’s imagination and creativity. This can help you release your inhibitions as well as to enhance your memory. It is said to be a very spiritual stone. It also magically allowing one to appear ‘invisible‘ in situations where one does not wish to be noticed or seen.
Pearls - are Moon and water ruled gems that enhance loyalty, sincerity and truth. They center, bring calm reflection and attune the wearer to the ebb and flow of life. It is especially good at balancing the emotions in those under water signs
Peridot - balances your emotional mind and calms emotional storms. Aids digestion and insomnia and increases psychic powers.
Rose Quartz - great for attracting love. Promotes self-loving and heals emotional wounds as well as promoting peace, forgiveness, and nurturing
Ruby Zoisite - is a powerful stone that transmutes negativity into positive energy and relieves lethargy while boosting physical energy. It offers stamina to the mental processes facilitating advancements of the wearer's goals.
Sapphire - can be used as protection from the evil eye or reflect harmful or evil spells back to their sender. Legend has it that Magicians would utilize the gemstones to enhance and direct their magical powers. Alchemists associate the Sapphire with the element of air, and Mystics in India gave it an affiliation to Saturn, believing it to be a portal to the heavenly realms. Sapphires can help you achieve your material dreams and desires, as well as sustain wealth once it is acquired.
Sodalite - purifies your aura and protects you from negative energy from people around you.
Tanzanite - commonly known as the Stone of Magic, is also the “workaholic’s stone”, for many who are drawn to it seem to possesses this personality trait. Tanzanite can help you slow down and take things easier assisting in concentration, which in turn can bring you success in more areas of your life. It is very good for balancing out extremes in the personalities of highly active people.
Tourmaline - have been said to enhance understanding, to increase self-confidence and amplify psychic energies. It is said they also neutralize negative energies, dispel fear and grief as well as aid in concentration and communication.
Turquoise - is a much valued power stone. It can strengthen and align all of the chakras. It can also be used to cleanse your energy centers. As a meditation tool, turquoise can assist to clear your mind and open you to the Universal oneness of all. Use the gemstone to attune to the spiritual plane or provide protection during vision quests or astral travel.
White Topaz - It is said that Topaz can enhance a person’s spiritual potential, increase intelligence and creativity as well as impart wisdom which leads to wealth. It is considered the stone of “true love and success in all endeavors” and can be used to promote understanding, kindness, empathy and compassion. It opens closed hearts and protects the openhearted from pain.
*The information presented here is for you to use as you see fit but is not meant to take the place of professional medical advice. Crystals, gemstones and certain metals can help, accent, negate, protect, strengthen, balance and encourage, therefore promoting natural healing. The effects can be extraordinary but please use in addition to medical advice, not as a substitute for proper care. If you are ill, we implore you to seek professional medical attention from a qualified physician.