Black Tourmaline Stone Natural CrystalBlack tourmaline, is a non transparent variety of tourmaline ranging in color from deep brownish black to pure black. It is widely valued for its strong protective and grounding properties. Benefits & Uses Creates a protective shield Balances negative energy Relieves physical discomfort Stabilizes emotions and mindset Features: geniune tourmaline Specs: Size: 2. 54 cm Weight: 4570 g *Please note: Items are shipped at random. The colour of the products