Gaia Stone
Gaia Stone is green obsidian from volcanish ash of the eruption of Mt. St. Helen's, and carries strong Earth energy, even the "soul of the Earth." Gaia Stone enhances Goddess connection, connection with Earth and Earth devas. It also brings prosperity. Gaia Stone is especially good for self-healing emotional wounds and past traumas. Gaia Stone is primarily associated with the heart chakra, but can also be used to harmonize all the chakras.
Galaxite
Galaxite, or Galaxyite, is a micro-labradorite with intense energy. It is sometimes known as the "aura stone" because one of its most noticable energetic characteristics is that of protecting, cleansing, and balancing the aura. It can protect the aura also by stopping energy leakages. Galaxite is also a stone of transformation, especially assisting in spiritual, mystical, and intuitive growth and transformation. It enhances both the conscious intellect and the subsconscious mind, and eases stress and anxiety. Galaxite is helpful for astral travel and astral projection. It can also assist in contacting beings from other dimensions and planes. Physically, galaxite is helpful for stress-related illnesses, anxiety disorders, brain disorders, digestion, metabolic illnesses. Galaxite is associated primarily with the crown chakra.
Galena
Galena is a primary source of lead, and as such is not recommended for internal use such as making gem elixirs, or for children, and hands and surfaces should be washed after handling. It is, though, a "stone of harmony" and brings healing, calmness, efficiency, receptivity, communication and insight. It has been known to decrease inflammations and skin eruptions, and help with circulation problems and hair growth. Carried in a medicine bag or pocket, though, it has grounding properties.
Garnet
Garnet is a stone of regeneration and stability. It is said to bring positive thoughts and be excellent for manifestation and bringing abundance. Garnet can boost the entire system's energy and remove negative energy from the chakras. It is said to be stabilizing in that it can bring order to chaos whether internal or external. It discourages disorganized growth, and brings inner strength. It is said also assist mystically with success in one's career and building one's self-confidence and creativity. It is also a protective energy stone which is especially effective for protection from evil, during travel, and from wounds. Garnet has been used to release bad karma, and to encourage movement of the kundalini is an orderly manner. It has also been used to assist in diminishing or eliminating abandonment issues. Garnet is a stone of romantic love and passion which is used in metaphysics to enhance sensuality, sexuality, and intimacy in a balanced way. It is also considered a stone of increasing truth, commitment, and faith. It is said to enhance emotions in a positive way, and also be quite calming. Garnets are used to reduce and eliminate self-sabotage whether conscious or unconscious. Garnet has been used a great deal for gentle spiritual healing, and is used to enhance intuition. Garnet is sometimes called a "stone of health" and lore says that garnet can heal the blood, heart, lungs, spine, bone, cell structure, adrenal glands, acid reflux (GERD), hemhorrage, DNA/RNA, allergies, anemia, skin, reproductive system, physical strength, help assimilate vitamins and minerals, as well as more rapid general healing particularly in areas where regeneration is needed. Garnet is associated primarily with the root chakra, but also with the heart chakra. It is used to remove negative energy from all the chakras. Various types of garnets have their own properties in addition to those of garnet in general and may be related other chakras as well.
Garnet, Green (Grossular Garnet, Grossularite)
Green Garnet (Grossular Garnet, Grossularite) is a green garnet that has its own energetic properties as well as those of garnet in general. Green Garnet is a stone of confidence, and stability in challenges. It is said to be particularly beneficial and stabilizing in lawsuits. Green Garnet is used for manifestation and both physical and spiritual abundance. It is also a stone of service, enhancing one's will and ability to serve and energizing cooperative efforts. Green Garnet is a fertility stone and said to particularly enhance fertility when one meditates upon it. Physically, Green Garnet is used in crystal healing and folklore for acid reflux (GERD), rapid healing after injury, arthritis, rheumatism, strengthening kidneys, skin, mucus membranes, and assimilating Vitamin A. Green Garnet is related primarily to the heart and solar plexus chakras.
Garnet, Hessonite
Hessonite Garnet (Hessionite), is a stone of passion and creativity. In addition to the metaphysical energies of Garnet in general, it is particularly geared toward creative and personal expression. Emotionally, Hessonite Garnet is used in crystal healing for issues of sexuality, emotional balance, and lack of interest in life. Physically it is used in crystal healing and folklore tradition for bladder, intestine, sexual organs, and spleen. Hessonite Garnet is related primarily to the sacral chakra.
Gaspeite
Gaspeite is a recently discovered stone in the western hemisphere, found in 1966 and was initially a discarded byproduct of nickel sulfide mining. Emotionally, it reduces distress and brings assurance. It also reduces ignorance, particularly emotional ignorance. It also helps attracts friends and friendship. Aboriginals use gaspeite to bring visions and grant success. Metaphysically, gaspeite is best known for helping to bring spirituality into every day life. It brings good fortune and helps prevent loss. Physically gaspeite has been used for heart problems, lungs, andgallbladder. Gaspeite is primarily related to the heart chakra.
Germanium
Germanium is an elemental metal. It is almost never found on its own in large quantities as a solid metal, but is a component of certain hard to find ores, found in various vegetables and waters, and is used in Argentium Silver. It is said to be found in large quantities in the holy waters at Lourdes, France, for instance. Germanium is said to be an excellent energy conductor, and to project protective energies. It is said to be a boost to inner journeys and astral travel. It is purported to be helpful in crystal healing for strong healing of all kinds, cancer, immune system support, viruses, stimulating natural "killer" cells, AIDS, HIV, healing at a cellular level, oxygenation of the blood, and antibiotic effects against bacteria. Germanium, as a white metal, is associated primarily with the crown chakra.
Girasol
Girasol, also known as "Blue Opal Quartz" and "Moon Opal" though it is not an opal at all, is a stone of gentle but powerful energy. It can enhance and mirror feelings. This makes it excellent for visualization, imagination, dreamwork, and guided direction of energy. Girasol enhances communication skills including freely speaking thoughts you've been holding back. Girasol encourages and enhances creativity in the artistic and practical areas. It is also a powerful healing stone that works in a strong but gentle way to enhance healing on all levels. Girasol is particularly helpful for metabolic disorders like diabetes and others, and fatigue and chronic fatigue.
Glass, Dichroic 
Dichoric glass was originally created for the space and laser industries, and was developed extensively by NASA. The word dichroic means "two colors" because of the two or more colors that the glass reflects and transmits. Dichroic glass is said by some to have no metaphysical properties. However, as everything has an energy vibration of some sort, which is what gives a material its metaphysical properties. Additionally, the glass is made with metallic oxides which would bring their properties to it. Intuition says that dichroic glass can be helpful for seeing past illusions, communication with stellar beings, bringing child-like joy into your life, and meditation. It can certainly be used effectively as a focal point in meditation by staring into the layers of color of the glass.
Glendonite (Glendenite)
Glendonite is a teaching stone of learning, discovery, and understanding . It supports the learning process by helping process information and thoughts in easy to understand terms. Because of this, it may help discover one's life purpose. Physically glendenite helps heal broken bones, abrasions, regenerates cells, and makes teeth and bones stronger. It is also known as a stone that helps make a loving home and good family life.

Gold
Traditional folklore and crystal healing metaphysical lore say the following about gold. Gold can balance energy fields, and is beneficial for opening and balancing the third eye and crown chakras. It can also balance the heart chakra. It can remove negative energy from the chakras and bring in the positive from the stones it is with. It has been used to bring wealth, happiness and good feelings. Gold is a mineral of spirituality, understanding, and attunement to nature. It attracts positive energy and is a great healing mineral.

Gold Filled (Rolled Gold)
While the 14 Karat gold filled jewelry is not solid gold, the gold in the gold filled wire can still have an energetic impact. 14 Karat Gold filled is not a base metal filled with gold, contrary to popular belief! It is 14 karat gold bonded to the outside of a base metal like brass, so all that you see and that touches your skin is 14 karat gold. Learn more about 14 K gold filled aka 14K/20 gold filled here. Traditional folklore and crystal healing metaphysical lore say the following about gold. Gold can balance energy fields, and is beneficial for opening and balancing the third eye and crown chakras. It can also balance the heart chakra. It can remove negative energy from the chakras and bring in the positive from the stones it is with. It has been used to bring wealth, happiness and good feelings. Gold is a mineral of spirituality, understanding, and attunement to nature. It attracts positive energy and is a great healing mineral.

Goldstone
Goldstone has been called the stone of ambition and drive, and as such is said to help attain one's goals. Goldstone is also said to help one stay calm and stabilize the emotions. It can be used as an energy generator and can deflect unwanted energies, making it used as a protection stone. It is also used for long distance healing and revitalizing one's energy field. Goldstone also has many of the metaphysical properties of copper, including strengthening the circulatory system, strengtheningbones, and easing arthritis pain. Goldstone is actually a manmade glass with flecks of copper suspended in it, which give it the sparkles. Goldstone was originally created by French monks, and in time the secret was lost. It's been rediscovered or recreated in modern times, though, and goldstone is a popular material because of its beauty as well as its metaphysical properties lore.
Goshenite
Goshenite is colorless beryl. It is a stone of truthfulness that encourages truth in all actions and particularly in giving one's word. Goshenite bring self-control, creativity, and originality. It makes communication easier and can stabilize relationships. Goshenite is used for healing the leg muscles.
Gyrolite
Gyrolite is a mineral that has particularly positive effects on the metaphysical properties of other minerals by activating them and cleansing them. It is used to connect the physical body with the auric bodies. Gyrolite is good for meditation and is said to bring the wisdom of ancient civilizations, insight, willpower, and stability. It is also said to assist with self-confidence, as well as overcome excessive introversion and addictive behaviors. Mystical and Healing Lore purports that gyrolite helps align the spine, assimilation of calcium, cellular maintenance, bone structure, acupuncture, and emotional healing.