Black Tourmaline is a powerful grounding stone, electrical in nature, providing a connection between Earth and the human spirit. Ancient magicians relied upon Black Tourmaline, to protect them from earth demons as they cast their spells. It is is an excellent grounding crystal for meditation and healing.
Black Tourmaline soothes panic attacks, especially those caused by dark or confined spaces. Wear this crystal for protection against moaners, whiners, complaining people who burden you with their problems but do nothing to improve their situations. It provides an excellent shield against environmental pollutants, electromagnetic smog, and radiation associated with cell phones, computers, and other electronic equipment.
Other health benefits of Black Tourmaline:
Strengthens the sense of smell
Treat motion sickness
Restoring lustre and shine to hair and nails
Stimulates the reflex points associated with the lower back, legs, ankles and feet
May be used to realigning the spinal column
Provides pain relief
Assists with strained or torn muscles, numbness, arthritis
Strengthens the immune system, heart, and adrenal glands
Beneficial in treating the bowels, constipation, IBS, and diseases of the colon
Ridding the body of heavy metal toxins and environmental pollutants
Useful in treating paranoia
Overcome dyslexia by improving eye/hand coordination
Cleansing the emotional body of negative thoughts, anxieties, anger or feelings of unworthiness
Overcoming substance abuse
Releases any suicidal thoughts or self-harming tendencies
Treating obsessive or compulsive behaviours
Increases physical vitality
Replacing tension and stress
Inspires a positive attitude
Selenite is a good stone to protect you from any form of psychic attack. It helps you to quiet your mind and give you mental clarity. Having Selenite around will help cleanse your mind of all this negativity.
Selenite can also clear away any fuzziness or mental fog that surrounds psychic insights, or visions received during meditation.
Selenite not only can it help balance and stabilize your body, but it can also balance and stabilize your emotions. The vibrations that Selenite gives are more of a spiritual nature rather than a physical one. So it can bring you on your way to spiritual enlightenment, too.
Selenite is also used to treat health-related problems like arthritis, infertility, tiredness, lethargy, etc. It is also helpful in cases of mental confusion, intuition, well-being, mental flexibility & decision making. 
Selenite is also considered as a stone of love. Everything that you want to happen in your romantic life can be made possible by tapping into its energies.
Each product will be sent to you charged with healing Reiki Energy. All crystals need to be placed in the moonlight for a few hours as it recharges its batteries and also cleanses it of both positive & negative energies absorbed.
Note: Image is for representation only. The price mentioned is only for the single unit.