Black agate said to absorb and give protection against negativity from both people and electrical & magnetic fields. It is also said to sharpen one's wits, to enhance vitality and to give emotional stability. It grounds and deflects negativity and is uses as a protection stone. It transforms internal negativity, changes and then releases it. Black agate protects one from negativity from outside influences. Rubbing a black tourmaline crystal with a wool cloth or heating it raises static electricity and it draw out negativity. Place it near your main door to protect house from negative energy from the negative people. Keep near your desk for strong protection against the back biting /policticking by other staff. Highly recommended by Vastu, Feng Shui, Crystal and Reiki Consultant. Though the color of agate varies depending on the type, this popular stone long remarked for its beauty can be identified by its signature bands and translucent luster. Agate forms as a result of igneous rock marrying with the silica deposits in groundwater. The colorful bands that give the semi-precious stone its trademark bands are layers of agate deposits that develop on top of each other. Agates are banded types of chalcedony that come in a range of colors including pink, red, brown, white, purple, black, gray and yellow. This palette array comes from the impurities within the groundwater’s composition. As agate stone belongs to the quartz family, it has a trigonometrical crystal system and a durability Mohs score of 7. This crypto crystalline mineral is made up of silicon dioxide, a plentiful composition explaining why agates can be found so commonly around the world in places like Brazil, Egypt, Nepal, Germany, India, Italy, Mexico and the USA.