Black tourmaline rough is a natural form of the mineral tourmaline that has not been cut or polished. It typically has an irregular shape and rough texture and can vary in size and color. This particular black tourmaline rough is a mix of different sizes, making it a versatile option for various uses such as crystal grids, meditation, or as a decorative element. Black tourmaline is believed to have grounding and protective properties, helping to ward off negative energy and promote a sense of calm and balance.
