Substantial 11.03ct blue gray Indicolite Tourmaline

This rare collectors example has a silky black resting color with well a blended blue gray hue that reveals itself when held to the light. It shows minute pops of flashing that exhibits blues and teals in linear patterns. Measuring 12mm x 11.6mm x 7.6mm it has fantastic size with VS clarity, and every facet shimmers with its superior luster. Sourced from Nigeria. Untreated.