This beautiful black tourmaline pieces are sold individually Handcrafted from natural black tourmaline respectfully and ethically mined in Brazil ***These polished black tourmaline were tumble polished from 100% natural black tourmaline crystals that were mined in Minas Gerais, Brazil. These rounded polished pieces of black tourmaline are very popular for metaphysical purposes, and they fit comfortably in your hand, pocket, or purse. ***These black tourmaline polished pieces are very inexpensive, and they also are very convenient for placing around computer work stations, etc.. as protection against electro-magnetic energies. We have these large size tumbled black tourmaline pieces available at specially discounted volume prices. ***Original photo was taken inside with fluorescent light, additional photos for sizing purposes only was taken outside using indirect sunlight ,no filters or photo enhancements was used. Black Tourmaline is very popular today for metaphysical use. It is know to guards against radiation and environmental pollutants, and is very useful in purifying and neutralizing negative thoughts and internal conflicts, and turning them into positive energy. At MineralMiners.com your satisfaction is our top priority! We guarantee Unique Items, Superb Energy and Collector Quality at Miner's Prices! ? Have a "Gem" day!