These are natural crystals and may have natural cracks or irregularities. They have been polished so there is potential for polishing marks and scuffs, these have been reflected in the price but do not alter the crystals beauty or properties. Please see videos for more details
Used for protection, Black Tourmaline is a great stone for soaking up negative energies and blocks EMF's.
It is also a good stone for opening the root chakra and making sure that you stay grounded. Black Tourmaline can help with anxiety, stress, and a good sleep