These rather special  black tourmaline tumbled stones

are Meduim size

Black tourmaline is a powerful, electromagnetic, striated gem. It strengthens body and spirit (and meridians). It transmutes lower frequency thought/energy to a higher frequency of light and brings light/spirit into the physical. Black Touramaline Radiates light protection for wearer. Is is Especially good the for nervous system; blood/lymph and toxins. It Powerfully shields against unwanted or dark energies, especially for sensitive people. Touramaline Grounds spiritual light energy into Root Chakra and neutralizes fears, resentment, neurosis, obsessions, intestinal or spine energy blocks, toxins and constipation. Place at feet, knees, or base of spine for grounding during or after healing.