Physical Properties of Black Tourmaline Stone / Crystal |
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Chemical Formula: | A(D3)G6(T6O18)(BO3)3X3Z |
Chemical Composition: | Aluminium, Iron, Magnesium, Sodium, Lithium, Or Potassium |
Crystal System: | Hexagonal |
Lustre: | Vitreous |
Transparency: | Transparent to opaque |
Colour: | Black |
Streak: | White |
Hardness: | 7 - 7.5 on Mohs Scale |
Tenacity: | Brittle |
Cleavage: | 3,2 |
Fracture: | Uneven, small conchoidal, brittle |
Density: | 2.82 - 3.32 |
Refractive Index: | 1.616 - 1.650 |
Black Tourmaline also called Schorl is the most common gemstone among the Tourmaline family. It is the most inexpensive tourmaline compared to its other counterparts. It originated in Germany and is generally black in colour, although some are deep blue and brown, owing to its rich iron content. It is associated mainly with luck and people believe that it has some magical powers hidden in it as it was used by the magicians to perform their rituals in olden days. Some even say when you rub this stone magic happens, quite like the Aladdin's magic lamp. Black tourmaline stone is often used during meditation as it has the power to cleanse not just your mind but also your surroundings. It also has the power to protect you from negative energies and it most favours either the Capricorns or the Librans.
The black tourmaline invites positive energy not just into your body but also in your surroundings. It protects you from dark art and wards away jealousy, evil, anger, hatred and negative feelings and brings about peace and harmony. It helps generate positive and healthy thoughts in your mind, thereby making you healthy emotionally, intellectually and physically. It also stimulates your intellect, helps you identify what is good and bad for you and also assist you to make the right decisions in life. Black tourmaline is also called the healing stone as it has many healing powers.
For instance, it cures motion sickness, arthritis, chronic constipation, dyslexia, lower back pains etc. It also improves the quality of your hair, nails and skin. It also acts like an anti pollutant keeping you away from the ill-effects of various electronic gadgets like the mobile phones, laptops, computers, gaming devices etc.
Black Tourmaline gemstones / crystals are found in some of the countries of world are: Australia, Austria, Bolivia, Brazil, Canada, Czech Republic, France, Germany, Italy, Japan, Kazakhstan, Kenya, Madagascar, Mexico, Myanmar, Namibia, New Zealand, Norway, Portugal, Russia, Slovakia, Slovenia, Sri Lanka, USA