Avocado Green Tourmaline Plain Tubes measure approximately 7x5mm up to 18x14mm in size, these gems exhibit a vitreous luster with good brilliance, the bead bodies have excellent polish as they feel smooth to the touch, the gem strand has been expertly matched for color & quality, the bi-tonal Avocado Green gems show a darkly saturated end with a medium light saturated end to the tube, the smaller beads in the group have a darkly saturated end with a medium dark saturated end to the tube, and this strand is a well crafted group of graceful Tourmaline beads. Great Quality & Color!!