Ombré Black, Green and Blue Tourmaline Plain Nuggets measure approximately 9x9mm to 17x10mm in size, have a glass-like luster, a fair polish showing external pitting and moderate internal characteristics. The body colors of these transparent to opaque gems are a milky blue/green and forest green to an opaque black and the gem strand is well matched for quality showing moderate internal characteristics and tone for a charming group of polished slightly green, blue and black Tourmaline.