This listing is for Green Tourmaline Ring, Size 7 US or O for UK, 925 Silver, Handmade, that you see in the photos. The stone is 4 mm x 1.9 cm. You will love it :) In general, Tourmaline can become electrically charged as a result of heat or pressure, which is a testament to the ability of these crystals to impact ones energy field. Tourmaline is very grounding and helpful in releasing stress and tension. They can bring inspiration from higher realms into the chakras for processing within the body. All Tourmaline is thought to balance yin and yang energies, as well as the left and right hemispheres of the brain. Metaphysical: Primary Chakra: Heart Astrological sign(s): Gemini, Virgo Vibration: Number 2 Geological: Mineral Class: Tourmaline family (more specifically Elbaite), Borosilicates class Crystal System: Trigonal Chemical Composition: Na(Li,Al)3Al6Si6O18(BO3)3 (OH)4, Sodium Lithium Aluminum Boro-Silicate Hydroxide Hardness: 7-7.5 Physical: Color: Pink to strawberry centers with a green rind or on rare occasions, a green center with a pink rind Location: Argentina, Afghanistan, Brazil, Pakistan, Madagascar, Sri Lanka, USA Rarity: Relatively Common Fun Fact: Ancient legend says that Tourmaline is found in all colors because it travelled along a rainbow and gathered all the rainbow's colors. Tourmaline Healing Properties Tourmaline crystal ? Flexibility ? Happiness ? Objectivity ? Compassion ? Serenity ? Balance ? Positive transformation ? Healing ? Strength ? Tolerance ? Understanding Tourmaline is a crystal silicate mineral and a variety of Quartz. Tourmaline is an 8th Anniversary gemstone. Chakras - (depending on colour) Zodiac - Virgo, Libra Typical colours - Most commonly black, but can range from brown, violet, green, pink, or in a dual-coloured pink and green (watermelon). Tourmaline aids in understanding oneself and others. It promotes self-confidence and diminishes fear. Tourmaline attracts inspiration, compassion, tolerance and prosperity. It balances the right-left sides of the brain. Helps treat paranoia, overcomes dyslexia and improves hand-eye coordination. Tourmaline releases tension, making it helpful for spinal adjustments. It balances male-female energy within the body. Enhances energy and removes blockages. In addition to the generic healing properties of Tourmaline, specific colours have additional attributes: Black Tourmaline crystalBlack Tourmaline - also known as Schorl Chakras - Base Chakra Zodiac - Capricorn Element - Earth Black Tourmaline can be used to both repel and protect against negativity. It is excellent for deflecting radiation energy. It enhances ones physical well being by providing an increase in physical vitality, emotional stability, and intellectual acuity. Blue Tourmaline - also known as Indicolite Chakras - Throat Chakra Zodiac - Libra, Taurus Planet - Saturn Element - Water Green Tourmaline Chakras - Heart Chakra Zodiac- Capricorn Planet - Mercury Element - Earth Pink Tourmaline Chakras - Heart Chakra Birthstone - October