Black Tourmaline is the stone you want to help protect the self and surroundings from negative energy. Its a shamanic stone, providing protection during ritual work.

The black tourmaline is of all spectrums of the rainbow, that is why it is black.
 
However it is void of most light which is the definition of dark.
 
It has both negative and positive properties.

The colour and the light spectrum of black tourmaline make it a perfect conduit for balancing positive and negative energy. Because black  tourmaline contains all colours being black, it works on the balancing and grounding of all the chakras.

Protection from negativity: Black tourmaline’s male energy has the ability to block negative energy, in this sense it becomes as a protector.
 

Accepting positive energy: The feminine energy of tourmaline is a receiver to positive energy.
Chakra Balancing: Tourmaline has a large number of colors in the colour spectrum so it works on balancing all of the chakras basic negative and positive energy.
 

Transformation: it also has the ability to turn dense energy (not necessarily negative energy) into light

Physical qualities of tourmaline -

It helps with calming the mind when too much negativity is in the air.
Strengthens the immune system
Helps with detoxification
Balancing the right and left hemisphere of the mind
 
Gorgeous large weighty Black Tourmaline heart with gold etched Flower of Life.
 
The Flower of Life symbol is a two-dimensional illustration that contains 19 equally proportioned overlapping circles.  In Sacred Geometry, the fact that we find this pattern in such a variety of life forces demonstrates our origins, or creation, stemming from a single source of energy.The flower of life holds a secret symbol created by drawing 13 circles out of the Flower of Life. By doing this, one can discover the most important and sacred pattern in the universe. This is the source of all that exists; it's called the Fruit of Life. It contains 13 informational systems. Each one explains another aspect of reality. Thus these systems are able to give us access to everything ranging from the human body to the galaxies. In the first system, for example, it's possible to create any molecular structure and any living cellular structure that exists in the universe. In short every living creature.
 

Weight - 276 grams
Measures - 7.5cms