It is commonly found in trigonal crystal systems and is made up of Sodium Iron Aluminum Borate Silicate. The stone is black. Black Tourmaline Tumbles means grounding and protection.
There are many shades of Tourmaline, but none hold the protective powers associated with Black Tourmaline Tumbles. Formed where steamy waters and minerals move through pockets of the earth, this stone is deeply enriched with iron and manganese, both of which help grant Black Tourmaline Tumbles the charging and magnetic properties that make it such a vital tool in your grounding box.
Black Tourmaline Tumbles is a great crystal for your root chakra which absorbs negative energies, converts negative energies into positive energies, supports grounding, locks your aura, provides energetic protection, and helps in releasing stress. It also helps in reducing obsessive and compulsive behaviours and provides protection from mobile radiation and electronic smog.