I believe in the strong healing power of natural gemstones. They each have particular qualities which can aid a person physically, mentally and spiritually. Gemstones can be useful in different situations or periods of your life, or even used to focus energies on special occasions. Some of the following information comes from a wonderful book by Melody, Love is in the Earth :

gemstone	property
Amber	Heals the body by absorbing negativity. Soothing energy. Helps with unconditional love.
Amethyst	Increases spirituality and contentment. Great for meditation.
Ametrine	Increases spirituality and lends clarity to life decisions.
Apatite	Stimulates psychic abilities. Clears confusion. Supresses hunger.
Aquamarine	Soothing and compassionate. Helps with planning.
Azurite-Malachite	Great for healing and communication. Helps heal the heart.
Blue Topaz	Brings the mind, body and spirit together.
Carnelian	Attracts wealth and increases sexuality and creativity.
Chalcedony	Balances the energy of the mind body, emotions and spirit.
Citrine	Gives clarity to life decisions. Dissipates negative energy. Promotes wealth
Emerald	Master healer! Stone of successful love. Enhances memory. Aids decision making. Eliminates negativity.
Fluorite	Motivational stone. Makes you do what you say you want. Increases concentration.
Garnet	Stone of health and commitment. Extracts negativity.
Green Tourmaline	Opens heart chakra. Has a masculine but compassionate energy. Transform negative energy to a positive.
Indicolite tourmaline	This very rare color, activates the throat chakra and brings psychic awareness. It helps to live in harmony. This shade of very deep blue, stimulates the third eye, and facilitates intuition. Very powerful!
Iolite	Increases spirituality. Helps to enjoy life.
Labradorite	Gets you in tune with your higher self. Clears the aura. Facilitates transformation.
Lapis	Enhances communication with self and others. Increases awareness. Gives knowledge.
Larimar	Gets you in tune with the ocean. Hold the powerful knowledge of Atlantis. Very powerful.
Malachite	Great for healing and transformation. Gives knowledge of the universe.
Moonstone	Emotional balance. Gives you what you need. Alleviates tension.
Onyx	Very grounding! Helps to eliminate negativity, and keep you centered in positive light.
Paua Shell	Gets you in tune with water energies. Balances moods.
Peridot	Warm and friendly. Regulate and cleans the heart.
Pink Tourmaline	Very calming, and relaxing. Helps to get you in tune with your feminine side and balance moods.
Purple Tourmaline	Generates joyous and happy energy. Stimulates the energy of love.
Quartz	Amplifies energy. Purifies the body.
Rose Quartz	Increases self-love and love for others.
Rubilite Tourmaline	Helps to understand love. Gives physical stamina and vitality to the body. Helps to heal the heart.
Ruby	Nurturing. Gives stability in wealth. Protects against unhappiness.
Sapphire	Gives strength. Purifies your life. Increases communication with others. Assists healing for all parts of the body. Helps us be kind and compassionate.
Smokey Quartz	Eliminates negativity from thoughts and physical body. Eliminates mental blocks.
Sugilite	“Love Stone” helps to attain conscious awareness, positive thoughts and feelings. Alleviates negativity and discomfort. Protects absorbs and dissolves anger, hurt, unwanted energies.
Swarovski Crystal	Amplifies energy.
Tanzanite	Stone of Magic. Attunes to extremely high frequency. Increases spirituality. Powerful!!!
Tiger’s Eye	Gives courage, clarity and stability.
Tourmaline	Balances energies between men and women. Inspirational. Helps to communicate and get along with friends and mate.
Turquoise	Strengthens and aligns chakras. Stimulates communication. Assists in healing the spirit on all levels. Guides and protects.
Watermelon Tourmaline	Super activator of the heart chakra.
Yellow Tourmaline	Enhances personal power. Allows for openings and closing to situations for personal growth. Activates creativity in business.