Black Tourmalinated Quartz Faceted Cubes measure approximately 7x7mm in size, have a vitreous luster in a transparent body of high brilliance, the excellent polish and faceting on these Black Tourmalinated Quartz beads provide a wonderful base of clean to milky crystal quartz with fine black tourmaline needles running through each bead, these beads appear to be darker and lighter in color due to the quantity of needles within each bead, and this strand will offer design options due to its basic black & white color palette.