This is a lovely hand carved Black Tourmaline pyramid of size 25-32 MM Black Tourmaline stimulates the reflex points associated with the lower back, legs, ankles and feet, and may be used to realign the spinal column. It provides pain relief and assists with strained or torn muscles, numbness, arthritis, and scar tissue. Black Tourmaline defends against debilitating disease and strengthens the immune system, heart, and adrenal glands. It also is beneficial in treating the bowels, constipation, IBS, and diseases of the colon, as well as ridding the body of heavy metal toxins and environmental pollutants. Tourmaline is a marvelous tool for balancing the right/left hemispheres of the brain and bringing mental processes into alignment with the chakras and auric body. It diminishes fear and may be useful in treating paranoia, and to overcome dyslexia by improving eye/hand coordination and the assimilation and translation of coded information. All of our crystals have a number of natural variations making them each unique and intriguing crystals. Please note that the crystal in the picture is an example therefor you may not receive that exact crystal as it is different in color and also you will receive only 10 Pieces A bit about pyramids: Egyptian pyramids have mesmerized humankind for millennia. The geometry and shape itself is said to be very strong and seen by many cultures as a symbol of stability, power and strength. Some see the four sides of a pyramid as a representation of the four elements (air, water, fire and wind) converging into a single point. The pyramid with four triangular sides on a square base has the ability to focus and amplify energy through the apex, thus magnifying the metaphysical powers of the crystal. Strong healing vibrations emitted from a crystal pyramid is beneficial to the people in its vicinity, besides dispersing bad energy in the surrounding space. It can also be used to draw off negative chi and blockages from the chakras, replenishing with vibrant positive energy. Spiritually, crystal pyramids can be a focus for meditation.