These Black tourmaline Stones are in their rough state and we have them available in different sizes to choose from. Please select what your preference is from the drop down list below. You can choose from small with an approximate measure from (.75-1"), medium (1"-1.5") or large (1.25"-1.5"). They can be used for making pendants or to be worn and carry as amulets. Black Tourmaline is excellent stone to wear for protection and to eliminate negative energies.