Silky 11.71ct black violet Tourmaline

You don't want to miss this eye catching gemstone. It has a silky black resting color with hints of violet in low light, and a rich violet hue with hints of black in bright light. This piece has a wide cushion cut with fantastic symmetry, and a superior luster that shimmers off of each facet. Measuring 17.0mm x 13.4mm x 7.1mm it has substantial size, and a Mohs hardness rating of 7-7.5 making it a great piece for setting. Sourced from Mozambique. Untreated!