Black tourmaline pebble Brazil AA

Black tourmaline pebble of approximately 30-50mm.
Sold individually.
Dimensions, shapes and color shades may vary from one pebble to another.
The presence of cracks or cavities in tourmaline is a normal phenomenon. There is no such thing as a perfectly smooth tourmaline, even when polished, because it is a real tourmaline and not a stabilized tourmaline.

Black tourmaline is the best-known variety of tourmaline. It is also identified under the name schorl. It is called black, but it can also be dark brown. It gained its notoriety over time due to its numerous properties.
So black tourmaline, schorl, is the most common tourmaline and can sometimes be up to 2m tall. Its composition, very rich in iron, gives it this black, opaque and intense appearance. We can emphasize that it is the only kind of tourmaline with a uniform color.
Thus, schorl, a mineral species of tourmaline, belongs to the group of silicates, subgroup of cyclosilicates. The name “schorl” comes from German. It has a vitreous luster, with a conchoidal fracture, its line is white. It is a mineral from metamorphic rocks, leucogranites and pegmatites.
Like all tourmalines, schorl is composed of complex silicate of boron, sodium, aluminum and has a hardness of 7 to 7.5 on the Mohs scale. Its crystal system is rhombohedral. Schorl or black tourmaline occurs in the form of elongated prismatic crystals, well formed and striated in elongation or in the form of small aggregates of small crystals.
Black tourmaline is a very ancient stone, cited in many traditions, notably among the Brazilians, Egyptians, Greeks and Indians. It is a stone renowned for its protective properties. It is also an anchoring stone used today in lithotherapy and meditation. Due to its piezoelectric properties, black tourmaline is also used in electrochemistry.

The main deposits are located in Brazil, Madagascar, etc.

In lithotherapy, tourmaline is a very powerful anchoring stone. It helps keep your feet on the ground, calms scattered thoughts and refocuses your attention. It soothes the mind and irrational fears. It allows you to connect to your inner self, to perceive deep needs and to identify the cause of certain blockages. These are often traumas linked to childhood. It is an excellent meditation stone that channels the digressions of the mind.
Thus, schorl has strong protective properties. It is capable of absorbing the negative energies released by certain angry, jealous or envious people. It is said to neutralize harmful influences and is able to absorb electromagnetic waves. It is a stone of protection for both people and places. Placing various black tourmalines in the house, wearing a black tourmaline bracelet allows the person or home to be protected. This black stone removes the negative consequences of an unhealthy environment or the waves of domestic devices (telephone, computers, etc.).
Black tourmaline helps divert bad thoughts, it improves concentration, creativity, inspiration and imagination. It is recommended for children or hyperactive people.
It helps to find serenity and harmony.
The wearer is calmer, less distressed and less anxious. He finds peace and wisdom.