Green Tourmaline Heart Briolettes measure approximately 17x17mm to 18x18mm in size, have a glass like luster, show a transparent light to dark green hue, the natural crystal shape has been cut in a symmetrical heart shape, gems are cut thickly for a more saturated color, the gems match in color and quality the green tourmaline slices, each bead is unique on this strand of approximately 9 gems.