Gemstones O-Z

Obsidian, Black: Small obsidian pebbles are known as "Apache Tears". Obsidian is used for grounding. Because this stone is so strong, it should not be used often. Carry this stone to keep others from taking advantage of you. If you are fortunate enough to have a mirror crafted of obsidian, it would make a very powerful scrying tool. I have learned from someone that if you gaze at a piece for a few minutes each day for three days, you will receive insight to a problem.
Obsidian, Mahogany: For medical purposes, mahogany obsidian is useful in healing gums. This stone can also be used to help in making decisions which makes it a good stone for Libras.
Obsidian, Snowflake: Snowflake obsidian is an attracting stone and can be used in conjuring spells. This stone also draws money. Keep it where you keep your money so that you will never run out.
Onyx, Black: Black onyx, like jet, is good for grounding and is not to powerful to be worn in jewelry. Use it to rid yourself of bad habits.
Onyx, Mexican: This is a popular stone that is easily found in gemshops. It is often used to carve figurines. Use Mexican onyx to help promote good sleep without nightmares.
Opal, Black: For medical purposes, black opal is useful in strengthening the bones. Its magickal properties allow the wearer to feel confident about themself and find potential in everything they do.
Opal: Use this stone to solve problems. It allows the wearer to see difficulties from all angles and determine a multitude of possibilities. Because of its power, this stone can be difficult to wear.
  Peacock Ore: see CHALCOPYRITE.
Pearl, Fresh Water: Freshwater pearls can come in black or white and a variety of shapes. Pearl is a stone of love. Helps promote love of self and of others. Freshwater pearl will also allow the wearer to accept another's love.
Peridot: Peridot is useful when working with the aura as it allows the body to take on the aspects of the aura's energy. Use this stone with caution as it can also attract negative energies into the body.
Petrified Wood: Healers will find this stone useful in aiding to find the cause of an illness. Use this stone when shape shifting or soul-searching to gain knowledge and help the mind think on a higher level.
Pietersite: This stone aids the user in remaining open to all things in every situation. It also allows the wearer to draw on experience in this life and in past lives in order to solve problems or aid others.
Pyrite: (Also  known as "fool's gold". Pyrite can represent or draw money. This mineral is one of prosperity and generally of success in all things, especially finances. This mineral is symbolic of the Sun and the Sun God.
Quartz, Blue: Blue Quartz is difficult to find. This stone is powerful for banishing fear.
Quartz, Clear: Clear quartz is one of the most common type and will work polished or as a crystal. Cutting or polishing this stone, however, usually diminishes its energy. Quartz is used to amplify energy and is used on wand tips and for healing. This stone is used to amplify power in general.
Quartz, Green: Inspiration.
Quartz, Rose: Rose quartz is the stone of emotion. This stone is good for evoking feelings of peace and love. Give this stone to children to quiet their crying or stop their fighting. Place it by a child's bed or crib to give them comfort. Wear this stone to help you express yourself or to soothe your emotions. Women will find this stone useful during their menstrual cycles and during menopause. Rose quartz is usually dyed, so try to find it in its natural state. This stone encourages feelings of peace and helps the wearer to love themselves and others and realize the beauty within and without. Carry this stone to help with the grieving process.
Quartz, Rutilated: Rutilated quartz has thin needles of gold growing inside of it. This stone can be used the same way as regular clear quartz. This stone is also useful in discovering the root of a problem.
Quartz, Smoky: This stone is sometimes used for healing. Like clear quartz, it is an energy generator and amplifier. Carry it on your person or place it in your car for protection.
Quartz, Snow: A stone of balance. Snow quartz is very white in appearance and not at all clear. This stone is known for its ability to incite cooperation between people and for its soothing properties. Placed on the third eye, it can aid in learning and is valuable to students. This stone, like many other types of quartz can be used like clear quartz and for the same reasons.
Quartz, Tourmalinated: Tourmalinated quartz is clear to snowy with black needles growing through it. It can be used in place of clear quartz. This stone corrects imbalances. Wear it to prevent you from harming yourself and to protect against depression and destructive behavior. This stone has its name because it has the same properties as the stone Tourmaline.
Rhodonite: Rhodonite is a common and inexpensive stone. Like rose quartz, rhodonite is a stone for the emotions. It helps soothe the soul and will allow you to accept what happens, taking you onto the next level of getting over it. This stone is colored and is commonly found in pink, blue, green, and yellow.
Rhodocrosite: The stone of change. Use this stone when making any type of change or when you are having trouble adjusting to a big change. This stone is also known for its energizing properties. Use it when you need a pick-me-up.
  Rock Crystal: SEE CLEAR QUARTZ
Ruby: Because of its red color, ruby is the stone of love and passion. This stone is connected to the heart and can help open the heart to the love of another or to aid the wearer in feeling compassion for others. A stone of fear, it can be worn to bring bravery to the wearer.
Sapphire: Sapphire is usually a very dark royal blue in color and is a very lovely stone. Wear it in a ring for mental clarity.
Sodalite: This stone is sometimes confused with Lapis Lazuli and should be checked by a professional to be sure it is true sodalite. Sodalite is not a pretty stone, but it can be used to protect its wearer from negative energy. Use it to reduce stress or to relax you during meditation. I have heard that you can place it by a computer screen to help reduce the damage EMF causes to your health.
Sugilite: A pretty stone, sugilite restores energy to the wearer and is a great pick-me-up. Use it to absorb negative energy from your arua.
Sunstone: A stone of the mind. Use this stone to remember your dreams, during meditation, studying, and thinking. Wearing this stone helps with memory and thinking skills and is useful to students. Use this stone for healing the body after wounds or during cancer recovery. This is a stone of the Sun and of fire and represents sun and fire deities.
Tanzanite: This is one of the most beautiful stones I have ever seen. The color is a purple or dark blue with rainbow flashes of all other colors within it. This stone represents changes. Wear it to encourage emotion for others and uplift your soul.
Thompsonite: A good stone for lazy people, thompsonite allows the bearer to focus on what they must do and prevents them from becoming unmotivated.
Tiger Eye: A stone of luck and of honesty. Wear this stone to help rid yourself of the habit of lying and to prevent others from lying to you.
  Tiger Eye, Blue: see FALCON'S EYE.
Topaz, Blue: Blue topaz is a common and inexpensive stone. This is a stone of the astral body. Wear it to harmonize yourself between your two bodies and to give you purpose during astral travel.
Tourmaline, Black: Because it repels negativity, this stone is powerful in strengthening the immune system. Use it to protect yourself against psychic attack during ritual, meditation, and astral travel.
Tourmaline, Green: Strictly a man's stone, green tourmaline helps balance the male's body and soul and bring their system into balance. Women should use pink tourmaline for this purpose.
Tourmaline, Pink: Strictly a woman's stone, pink tourmaline helps balance the female's body and soul and bring their system and their cycles into balance. Protection.
Tourmaline, Watermelon: Use watermelon tourmaline to gain knowledge in any situation.
Turquoise: Turquoise is often dyed and can be very expensive. This stone is a powerful absorbing stone. Use it to absorb negative energy or sickness. This stone will lose its color the longer it is in contact with skin during stressful times. A stone of protection. Turquoise will also help to strengthen other beneficial emotions such as happiness and love and will keep the wearer in good health. Wear it to help with communication.
Unikite: Unikite is another inexpensive and common stone. It looks like creamed spinach with bits of pinkish orange mixed in. This stone helps to balance the emotions and keeps the wearer in good health.
Variscite: This is the stone of hope. Use it to bring hope in hopeless situations or to encourage someone to do well. A good stone for children. I have heard that it is also good for treating impotence.
Zoicite: Zoicite is used to destroy laziness and promote motivation.