Multi Color Tourmaline Crystals beads have been cut from natural tourmaline crystals, the luster is vitreous, each bead is uniquely shaped from a natural crystal, these Tourmaline beads have been top drilled with no man-made faceting, these transparent tourmaline crystals have minor internal characteristics, the beads are well matched on the strand for quality and size of diameter, and the colors are Green, yellowish green, pink, olive, greenish blue hues in light to dark saturations.