Black tourmaline is one of the most coveted stones for protection and cleansing. The Black Tourmaline on Metal Stand is the perfect display for your meditation area or tabletop décor. Black tourmaline is the most abundant variety of tourmaline in nature. The crystal has a naturally occurring sheen which gives it a polished appearance. Each stone is from Brazil and will vary slightly in size and shape. The unique piece measures approximately 5 by 2.5 inches.