Mahalakshmi Black Tourmaline PyramidMahalakshmi Black Tourmaline Pyramid is a pyramid shaped object made from the mineral black tourmaline. Black tourmaline is believed to have grounding and protective properties, and is often used in crystal healing and meditation. Some people believe that placing a Mahalakshmi Black Tourmaline Pyramid in a room or specific area can help to neutralize negative energy and promote feelings of well being. Protection from negative energy: Black tourmaline